Current Affairs

Why in News?

Recently, the National Centre for Sustainable Coastal Management completed the documentation and ground-truthing of almost all wetlands in Maharashtra, covering nearly 23,415 wetlands. The initiative is important for wetland conservation, coastal ecosystem management, and climate resilience.

About NCSCM

The National Centre for Sustainable Coastal Management is an autonomous institution established by the Ministry of Environment, Forest and Climate Change (MoEF&CC) in 2011.

Headquarters

• Chennai

Purpose

The institution was created to support:

• Coastal protection
• Conservation
• Rehabilitation
• Sustainable management
• Policy formulation for coastal zones

It acts as a scientific and technical advisory body for Integrated Coastal Zone Management (ICZM) in India.

Objectives of NCSCM

1. Sustainable Coastal Management

To promote integrated and sustainable management of:

• Coastal ecosystems
• Marine environments
• Island ecosystems

for the welfare of coastal communities.

2. Policy Support

To advise:

• Union Government
• State Governments
• Stakeholders

on scientific and policy matters related to coastal regulation and management.

3. Research and Knowledge Generation

To become a world-class institution in:

• Coastal sciences
• Marine ecology
• Environmental management
• Coastal resource studies

Key Functions

The NCSCM undertakes:

• Coastal mapping
• Wetland documentation
• Environmental impact assessment
• Coastal vulnerability studies
• Marine biodiversity conservation
• Climate resilience studies

It also supports implementation of:

• Coastal Regulation Zone (CRZ) notifications
• Integrated Coastal Zone Management (ICZM) projects

Six Research Divisions of NCSCM

1. Geospatial Sciences, Remote Sensing & GIS

Uses:

• Satellite imagery
• Mapping technologies
• GIS-based analysis

for coastal monitoring.

2. Integrated Social Sciences & Economics

Studies:

• Coastal livelihoods
• Socio-economic impacts
• Community participation

3. Coastal Environmental Impact Assessment

Evaluates impacts of:

• Industries
• Ports
• Infrastructure projects
• Pollution

4. Conservation of Coastal & Marine Resources

Focuses on:

• Mangroves
• Coral reefs
• Wetlands
• Marine biodiversity

5. Knowledge, Governance & Policy

Supports:

• Coastal governance
• Policy frameworks
• Capacity building

6. Futuristic Research & Integrated Island Management Unit

Conducts research on:

• Island ecosystems
• Climate adaptation
• Future coastal challenges

Importance of Wetland Documentation

Wetlands are ecologically sensitive ecosystems that:

• Recharge groundwater
• Prevent floods
• Support biodiversity
• Act as carbon sinks

Ground-truthing helps verify satellite data through field-level observations, improving conservation accuracy.

The Maharashtra wetland documentation exercise is important for:

• Climate resilience
• Disaster management
• Biodiversity protection
• Sustainable urban planning

Role in Coastal Management

India has:

• Over 7,500 km coastline
• Large coastal population
• Rich marine biodiversity

NCSCM plays a crucial role in:

• Coastal zone planning
• Sea-level rise studies
• Cyclone vulnerability assessment
• Sustainable development of coastal areas

International Collaboration

NCSCM collaborates with:

• National research institutions
• International organisations
• Scientific committees

through:

• Joint research
• Networking
• Publications
• Capacity-building programmes

Significance for India

The institution is important for:

• Climate change adaptation
• Blue economy initiatives
• Coastal disaster preparedness
• Wetland conservation
• Sustainable marine resource management

It also supports India’s commitments under:

• Ramsar Convention
• Sustainable Development Goals (SDGs)
• Paris Climate Agreement

Conclusion

The National Centre for Sustainable Coastal Management is a key institution for protecting India’s coastal and marine ecosystems. Its recent wetland documentation work in Maharashtra highlights the growing importance of scientific coastal management in the face of climate change, urbanisation, and environmental degradation. Strengthening institutions like NCSCM will be essential for ensuring sustainable development and ecological security along India’s coastline.

Why in News?

Scientists from the Charles Darwin Foundation have recently discovered a tiny blue octopus species named Microeledone galapagensis near the Galápagos Islands, highlighting the immense unexplored biodiversity of deep-sea ecosystems.

Discovery of a New Deep-Sea Species

Microeledone galapagensis is a newly identified species of deep-sea octopus discovered in the waters surrounding the Galápagos Islands in the Pacific Ocean. Although the organism was first observed during a deep-sea expedition in 2015, scientists have only recently confirmed it as a distinct species after detailed morphological and genetic analysis.

The discovery has attracted significant scientific attention because deep-sea ecosystems remain among the least explored regions on Earth. The identification of a completely new octopus species demonstrates the extraordinary biodiversity hidden within marine environments and underscores the importance of continued oceanographic research.

The species belongs to the genus Microeledone, a group of small deep-sea octopuses known for their compact body structures and specialized adaptations to extreme marine conditions.

Physical Characteristics

Microeledone galapagensis is remarkable for its unusually bright blue coloration, a rare feature among deep-sea octopuses. The animal is extremely small, roughly the size of a golf ball, making it one of the tiniest octopus species documented in the region.

Scientists identified several unique anatomical characteristics that distinguish it from related species. These include smooth skin texture, relatively few suckers on the arms, distinct beak structures, large rachidian teeth, and a prominent funnel organ. Researchers also observed specific coloration patterns around the mantle and internal organs, which contributed to its classification as a separate species.

Such adaptations are believed to help the species survive in the deep-sea environment, where high pressure, darkness, and limited food availability create extreme ecological conditions.

Habitat and Ecological Importance

The species inhabits deep-sea ecosystems near the Galápagos archipelago. Deep-sea habitats are characterized by low temperatures, high pressure, and complete absence of sunlight. Organisms living in these regions often evolve highly specialized biological features that are not found in shallow-water species.

The discovery of Microeledone galapagensis reinforces the ecological importance of the Galápagos marine ecosystem, which is globally recognized for its exceptional biodiversity and high levels of endemism.

Scientists believe that studying such species can improve understanding of marine evolution, adaptation, and biodiversity conservation. Deep-sea organisms may also provide insights into biological resilience under extreme environmental conditions.

The finding additionally highlights the need for stronger protection of marine ecosystems against threats such as climate change, ocean warming, pollution, and deep-sea mining activities.

Galápagos Islands: A Global Biodiversity Hotspot

The Galápagos Islands are located in the Pacific Ocean approximately 600 miles west of Ecuador and are distributed on both sides of the Equator. The islands are volcanic in origin and were formed through repeated volcanic eruptions over millions of years.

The archipelago consists of relatively young islands geologically, with islands such as Isabela and Fernandina being among the youngest, while Española and San Cristóbal are among the oldest.

The rugged volcanic terrain, unique ocean currents, and geographical isolation have contributed to the evolution of extraordinary biodiversity in the region. The islands played a crucial role in shaping Charles Darwin’s theory of evolution by natural selection during his voyage aboard HMS Beagle.

The Galápagos Islands are home to several iconic endemic species, including the giant Galápagos tortoise, marine iguana, Galápagos penguin, and flightless cormorant.

Recognizing their global ecological importance, UNESCO designated the islands as a World Heritage Site in 1978.

Scientific and Conservation Significance

The discovery of Microeledone galapagensis demonstrates that vast portions of marine biodiversity remain undocumented. It also emphasizes the importance of marine exploration, taxonomic research, and deep-sea conservation.

As technological advancements improve access to deep ocean ecosystems, scientists are increasingly discovering new species that challenge existing understanding of marine biodiversity. Such discoveries are crucial for developing effective conservation strategies and understanding ecological responses to environmental change.

The finding also reinforces the significance of international marine conservation efforts aimed at protecting fragile ocean ecosystems from unsustainable exploitation.

Conclusion

The discovery of Microeledone galapagensis near the Galápagos Islands represents an important advancement in marine biodiversity research. Beyond its scientific novelty, the species symbolizes the vast unexplored richness of deep-sea ecosystems and highlights the urgent need for global marine conservation and sustainable ocean governance.

The recent discovery of Melanoseris pendryi, a new flowering plant species in the Sikkim Himalayas, has attracted considerable attention in the field of botany and biodiversity conservation. The discovery not only enriches India’s floral diversity but also highlights the ecological significance of the Himalayan ecosystem, which is one of the world’s most fragile and biodiversity-rich regions.

About Melanoseris pendryi

Melanoseris pendryi is a newly identified species belonging to the genus Melanoseris under the family Asteraceae (sunflower family). The genus is widely distributed from Iran to Southern Central China, Northern Indo-China, and Java. The species was discovered in the alpine grasslands of Sikkim at elevations above 4,000 metres, where climatic conditions remain harsh throughout most of the year.

The species has been named in honour of renowned botanist Dr. Chris Pendry for his contribution to Himalayan plant research. The discovery was made by a team of botanists conducting field surveys in the Eastern Himalayas, which are globally recognised for their exceptional biodiversity and endemic species.

Key Features of the Species

The newly discovered plant possesses several unique morphological characteristics that distinguish it from other members of the genus.

Distinctive Characteristics

• It bears attractive lavender or purple-coloured petals, scientifically known as ligules.
• The underside of the petals is covered with long white hairs, a rare feature among related species.
• It possesses a shorter reproductive tube and a comparatively stout seed structure.
• The plant grows very close to the ground amidst cushion-like alpine shrubs.

Adaptation to Alpine Conditions

The Himalayan alpine ecosystem experiences:

• Low temperatures
• Strong winds
• Limited nutrients
• Short growing seasons

To survive these extreme conditions, Melanoseris pendryi has evolved:

• A fleshy branching root system for nutrient storage
• Low-growing morphology to resist strong winds
• Specialized seed structures aiding survival in rocky terrain

These adaptations make the species an important subject for ecological and evolutionary studies.

Ecological Significance

The discovery underlines the immense ecological importance of the Eastern Himalayas, especially Sikkim, which forms part of the Himalayan Biodiversity Hotspot. The region supports:

• Numerous endemic plant species
• Rare medicinal plants
• Unique alpine vegetation
• Diverse pollinator species

High-altitude ecosystems act as:

• Climate regulators
• Watersheds for major rivers
• Carbon sinks
• Habitats for rare flora and fauna

The discovery of a previously unknown flowering species indicates that many Himalayan ecosystems remain scientifically underexplored.

Conservation Concerns

Researchers have suggested that Melanoseris pendryi be classified as Critically Endangered under the IUCN Red List criteria due to its limited habitat and increasing environmental pressures.

Major Threats

1. Tourism Pressure

Rapid growth in mountain tourism has led to:

• Habitat trampling
• Soil degradation
• Waste accumulation
• Disturbance of fragile alpine vegetation

2. Grazing Activities

Unregulated grazing by livestock affects:

• Plant regeneration
• Soil quality
• Native vegetation cover

3. Climate Change

Rising temperatures in Himalayan regions are causing:

• Glacier retreat
• Shifts in vegetation zones
• Changes in flowering cycles
• Loss of alpine habitats

4. Habitat Fragmentation

Road construction and developmental activities in mountain regions increasingly threaten biodiversity-rich ecosystems.

Importance for India

The discovery has broader implications for India’s environmental and scientific landscape.

Biodiversity Conservation

India is one of the world’s megadiverse countries. Discoveries such as Melanoseris pendryi strengthen the need for:

• Conservation of biodiversity hotspots
• Sustainable eco-tourism
• Protection of endemic species

Scientific Research

The species may contribute to:

• Taxonomic studies
• Climate adaptation research
• Alpine ecology studies
• Evolutionary biology

Policy Relevance

The discovery highlights the importance of:

• Strengthening protected area networks
• Community participation in conservation
• Ecologically sensitive development policies in Himalayan states

Government Initiatives for Himalayan Conservation

India has launched several initiatives to conserve Himalayan biodiversity:

• National Mission on Himalayan Studies (NMHS)
• National Biodiversity Action Plan
• Biological Diversity Act, 2002
• National Mission for Sustaining the Himalayan Ecosystem (NMSHE) under the National Action Plan on Climate Change

These initiatives aim to promote sustainable development while preserving fragile mountain ecosystems.

Conclusion

The discovery of Melanoseris pendryi is a reminder of the extraordinary yet vulnerable biodiversity of the Himalayan region. At a time when climate change and human activities increasingly threaten mountain ecosystems, such findings reinforce the urgency of conservation efforts. Protecting rare and endemic species is essential not only for ecological balance but also for preserving India’s natural heritage for future generations.

Latest News

Researchers from Catholicate College have discovered a new species of green algae named Interfilum shuklaii from the forests of the Western Ghats in Kerala. The discovery is significant for biodiversity research and future biotechnological applications.

About Interfilum shuklaii

Interfilum shuklaii is a newly discovered species of green algae belonging to the family Klebsormidiaceae under the order Klebsormidiales.

The species was identified from the ecologically rich forests of the Western Ghats, one of the world’s biodiversity hotspots.

It has been named in honour of Group Captain Shubhanshu Shukla, a test pilot and astronaut with the Indian Air Force.

The discovery is especially important because it is:

• The first-ever reported discovery of the genus Interfilum from India.
• An addition to India’s documented algal biodiversity.

Taxonomic Classification

Scientific Classification

• Kingdom: Plantae
• Division: Charophyta
• Order: Klebsormidiales
• Family: Klebsormidiaceae
• Genus: Interfilum
• Species: Interfilum shuklaii

The genus Interfilum consists of filamentous green algae commonly found in terrestrial and freshwater habitats.

Distinctive Features

Interfilum shuklaii is distinguished by several unique microscopic characteristics, including:

1. Non-Striated Mucilage Envelope

The algae possess a smooth protective mucilage covering around the cells.

2. Dome-Shaped Cap Formation

Remnants of the mother cell wall form a dome-shaped cap, which helps in species identification.

3. Stress Tolerance

The algae can survive under varying environmental conditions, making it valuable for scientific and industrial applications.

Importance of the Discovery

1. Biodiversity Significance

The discovery highlights the rich and still underexplored biodiversity of the Western Ghats.

The Western Ghats are recognized as:

• A UNESCO World Heritage Site
• One of the world’s eight “hottest hotspots” of biodiversity

The finding adds to India’s growing catalogue of microbial and algal diversity.

2. Biotechnology Applications

Interfilum species have emerging importance in biotechnology due to:

• Efficient biomass production
• High stress tolerance
• Adaptability to harsh conditions

Potential uses include:

• Biofuel production
• Industrial enzymes
• Sustainable biomaterials

3. Carbon Sequestration

Green algae absorb carbon dioxide during photosynthesis.

Therefore, Interfilum species may contribute to:

• Carbon sequestration
• Climate change mitigation
• Sustainable environmental management

4. Biofertilizer Development

The algae may help improve:

• Soil fertility
• Nutrient recycling
• Sustainable agriculture

This could reduce dependence on chemical fertilizers.

5. Space Research and Life-Support Systems

Scientists are also exploring algae for future:

• Space missions
• Closed ecological systems
• Oxygen and food production in spacecraft

Due to its resilience and efficient growth, Interfilum shuklaii could become useful in future space life-support technologies.

Importance of Algae

Algae play a major role in Earth’s ecosystems by:

• Producing oxygen
• Supporting aquatic food chains
• Absorbing carbon dioxide
• Maintaining ecological balance

Many algae are also economically important in:

• Pharmaceuticals
• Cosmetics
• Agriculture
• Renewable energy

Conclusion

The discovery of Interfilum shuklaii from the Western Ghats marks an important contribution to India’s biodiversity and scientific research. Beyond taxonomy, the species holds promise for biotechnology, environmental sustainability, and even future space exploration, demonstrating the immense scientific value of microscopic life forms.

Recent global reports have drawn attention to the deep interlinkages between water, energy, and food systems. The World Bank report “Nourish and Flourish” highlights the growing mismatch between food production systems and hydrological realities, while the International Energy Agency (IEA) report “Sheltering from Oil Shocks” (2026) underscores how energy disruptions can cascade into food and water crises. For India, striving to ensure food security for 1.4 billion people while sustaining high economic growth, the water–energy–food (WEF) nexus presents a critical structural challenge.

Understanding the Core Problem

At the heart of the nexus lies not absolute resource scarcity, but mismanagement and policy distortions. Globally, agricultural water systems can sustainably support only about one-third of the projected population by 2050 if current inefficiencies persist. India exemplifies this paradox as a water-stressed yet food-exporting nation.

The country continues to cultivate water-intensive crops such as rice and sugarcane in ecologically unsuitable and water-depleted regions. This results in the export of “virtual water,” wherein water embedded in agricultural produce is effectively transferred abroad, exacerbating domestic water stress.

A prominent example is the Punjab–Haryana agricultural model, where groundwater depletion exceeds one metre annually. This is largely driven by free or subsidised electricity for irrigation, including solar-powered systems, which reduce the marginal cost of extraction to near zero. Consequently, excessive groundwater extraction becomes economically rational, even if environmentally unsustainable. Furthermore, procurement policies such as Minimum Support Price (MSP) reinforce these cropping patterns, leading to a systemic failure across the nexus.

Worsening Interlinkages Across Sectors

The interdependence of water, energy, and food systems becomes particularly evident during external shocks. India imports nearly 85–90% of its crude oil requirements, making it highly vulnerable to global energy price fluctuations. An oil shock increases diesel prices, raising irrigation and transportation costs, while power shortages can disrupt agricultural operations.

The IEA highlights that demand-side interventions—such as reduced transport and remote work—can help stabilise energy demand and indirectly moderate food inflation. This illustrates how urban energy policies can have downstream effects on agricultural sustainability.

Fiscal distortions further aggravate the problem. India spends approximately ₹1.5 lakh crore annually on electricity subsidies for agriculture, much of which perpetuates inefficient water use. At the global level, only a small fraction of agricultural spending is directed towards irrigation infrastructure, indicating a mismatch between resource allocation and sustainability needs.

Moreover, rising oil prices during global crises increase India’s import bill, widen the fiscal deficit, and fuel inflation. Inefficient water use amplifies energy vulnerability, while energy shocks, in turn, exacerbate food insecurity—demonstrating a reinforcing cycle of systemic risk.

Climate Change as a Risk Multiplier

Climate change acts as a force multiplier in the nexus. Erratic monsoons, prolonged droughts, and extreme rainfall events disrupt agricultural cycles and water availability. When combined with energy shocks—leading to higher fuel costs and supply disruptions—the vulnerabilities across all three sectors intensify.

This multidimensional risk landscape makes it imperative to move beyond sectoral policymaking towards an integrated systems approach.

Key Challenges

The challenges in managing the WEF nexus in India are multifaceted:

• Structural Challenges: Governance remains fragmented, with water, energy, and agriculture managed by separate ministries and institutions. This leads to policy incoherence and lack of coordination.
• Economic Challenges: High subsidy burdens distort price signals, encourage overuse of resources, and strain public finances, especially during global energy shocks.
• Environmental Challenges: Unsustainable cropping patterns and excessive groundwater extraction have led to severe ecological stress.
• Technological and Institutional Challenges: There is a lack of reliable water accounting systems, limited use of data-driven decision-making, and weak integration of renewable energy systems with regulatory frameworks.

Way Forward: Towards an Integrated Nexus Approach

Addressing the WEF nexus requires a holistic and coordinated policy framework.

First, crop diversification must be prioritised. Shifting away from water-intensive crops in stressed regions is not only a water conservation strategy but also an energy-saving measure and a hedge against global fuel price volatility. This transition must move beyond pilot projects and be integrated into mainstream agricultural policy.

Second, reforms in energy and water pricing are essential. Replacing blanket electricity subsidies with targeted Direct Benefit Transfers (DBT), coupled with smart metering, can restore rational economic incentives while protecting small and marginal farmers. This aligns with global best practices in both efficiency and demand-side management.

Third, the adoption of precision irrigation technologies such as drip and sprinkler systems should be accelerated. Schemes like PM-KUSUM, which promote solar-powered irrigation, must be complemented with regulatory mechanisms to prevent over-extraction of groundwater.

Fourth, urban energy demand management should be strengthened. Promoting public transport, remote work, and efficient logistics can reduce oil dependence, stabilise energy systems, and indirectly ease inflationary pressures on food supply chains.

Finally, there is a need for a dedicated institutional framework that integrates the functions of agriculture, water, and energy ministries. Unified data systems, joint planning processes, and coordinated policymaking are essential to effectively manage inter-sectoral linkages.

Conclusion

India’s challenge is not merely one of resource scarcity, but of managing the deep interdependence between water, energy, and food systems. The WEF nexus underscores the need for a paradigm shift from fragmented, sectoral policies to an integrated systems approach.

Aligning incentives, reforming subsidies, leveraging technology, and strengthening institutional coordination are critical for building a resilient and sustainable development model. Without such a transition, India risks perpetuating inefficiencies that could undermine long-term food security, energy stability, and ecological balance.

Why in News?

Forest officials recently recorded the rare Himalayan Tricarinate Hill Turtle in the forests of the Udanti Sitanadi Tiger Reserve. The sighting is considered unusual because the species is generally associated with the Himalayan foothills rather than central India.

About Himalayan Tricarinate Hill Turtle

The Himalayan Tricarinate Hill Turtle is a small terrestrial turtle belonging to the Geoemydidae family.

Scientific Name

Melanochelys tricarinata

The species gets its name from the three prominent keels (raised ridges) present on its shell, giving it a unique appearance.

Habitat and Distribution

The species is distributed across the narrow sub-Himalayan belt including:

• Northeastern India
• Southern Nepal
• Southern Bhutan
• Northern Bangladesh

It is mainly found in:

• Temperate forests
• Himalayan foothills
• Grasslands and forested regions

The recent sighting in Chhattisgarh is significant because it lies outside the turtle’s commonly known distribution range.

Features of the Turtle

Key Characteristics

• Highly domed carapace (shell)
• Three longitudinal keels on the shell
• Olive to dark-coloured head
• Narrow snout
• Strong scaly limbs adapted for terrestrial movement

Unlike many freshwater turtles, it spends much of its life on land.

Conservation Status

IUCN Red List

Endangered

Major Threats

• Habitat destruction
• Forest degradation
• Illegal wildlife trade
• Road mortality
• Climate change

The species faces increasing pressure due to shrinking forest habitats and human interference.

Importance of the Sighting

The discovery in central India is ecologically important because:

• It may indicate a wider distribution range than previously recorded.
• It highlights the biodiversity richness of central Indian forests.
• It stresses the need for improved wildlife monitoring and habitat conservation.

The sighting also underlines the importance of tiger reserves as habitats not only for large mammals but also for lesser-known reptiles and amphibians.

About Udanti Sitanadi Tiger Reserve

The reserve is located in Chhattisgarh and is known for rich biodiversity and dense forest ecosystems.

Key Features

• Part of the Central Indian landscape
• Known for endangered wild buffalo conservation
• Contains tropical moist and dry deciduous forests
• Supports diverse flora and fauna

Conclusion

The Himalayan Tricarinate Hill Turtle is a rare and endangered reptile species of the Himalayan region. Its unusual sighting in the Udanti Sitanadi Tiger Reserve highlights the ecological significance of India’s protected areas and the urgent need for habitat conservation, biodiversity monitoring, and protection of endangered species.

Recently, India achieved a major milestone in wildlife conservation with the release of the country’s first satellite-tagged Ganges Soft-shell Turtle in Kaziranga National Park and Tiger Reserve. The initiative aims to study the movement, habitat use, and conservation needs of this endangered freshwater turtle species.

About Ganges Soft-Shell Turtle

The Ganges Soft-Shell Turtle (Nilssonia gangetica), also known as the Indian softshell turtle, is among the world’s largest freshwater turtle species. It is widely distributed across major river systems of the Indian subcontinent and plays an important ecological role in maintaining aquatic ecosystem health.

Key Features

Appearance

• Possesses a round to oval-shaped green carapace (upper shell) with a yellow border
• Has a long neck and tube-like snout used for breathing while submerged
• Flattened and compressed shell helps in fast swimming
• Highly adapted to aquatic life

Habitat

These turtles inhabit:

• Deep rivers
• Streams
• Canals
• Lakes and ponds

They prefer sandy or muddy bottoms and often remain buried beneath sand in turbid waters.

Distribution

The species is found in:

• India
• Bangladesh
• Pakistan
• Afghanistan

Major river basins include:

• Ganga
• Brahmaputra
• Yamuna
• Indus
• Meghna
• Narmada
• Mahanadi

Diet and Behaviour

The species is omnivorous and feeds on:

• Fish
• Amphibians
• Mollusks
• Insects
• Aquatic plants
• Carrion

Breeding generally takes place between February and April.

Cultural Importance

In several regions of Odisha, these turtles are protected and maintained in temple ponds, where they are regarded as sacred animals.

Threats

The Ganges Soft-Shell Turtle faces several conservation challenges:

• Habitat destruction and river pollution
• Sand mining and river modification
• Poaching and illegal trade
• Commercial exploitation
• Agricultural expansion
• Use in traditional medicine

Conservation Status

Conservation Status of Ganges Soft-Shell Turtle

• IUCN Red List: Endangered
• Wildlife Protection Act, 1972: Schedule I

Importance of Satellite Tagging

Satellite tagging will help researchers:

• Track migration and movement patterns
• Understand habitat utilization
• Identify breeding and nesting sites
• Monitor threats and human interference
• Improve conservation planning

The initiative is especially significant for riverine biodiversity conservation in ecologically sensitive areas like Kaziranga.

About Kaziranga National Park

Kaziranga National Park and Tiger Reserve is a UNESCO World Heritage Site located in Assam and is globally famous for:

• One-horned rhinoceros
• Rich wetland ecosystem
• High tiger density
• Diverse riverine biodiversity

The release of the tagged turtle further strengthens conservation efforts in the Brahmaputra floodplain ecosystem.

Scientists have discovered a new species of marine tardigrade, Actinarctus odissi, from the shallow marine waters near Markandi coast in Odisha along the Bay of Bengal. The discovery is significant because it marks the first new species identified in the elusive Actinarctus genus in the last 43 years.

The species has been named “odissi” in honour of Odissi, the classical dance form originating from Odisha, reflecting India’s rich cultural heritage alongside scientific advancement.

About Tardigrades

Tardigrades, popularly known as “water bears” or “moss piglets”, are microscopic animals famous for their extraordinary survival abilities. Around 1,300 species of tardigrades have been identified worldwide.

They are found in almost every habitat on Earth, ranging from freshwater ecosystems and mosses to marine environments. Marine tardigrades constitute nearly 17% of all known tardigrade species.

These organisms are tiny, usually ranging from 0.05 mm to 1.2 mm in length. They possess:

• Bilateral symmetry
• Segmented bodies
• Four pairs of legs
• Claws at the end of each leg

Tardigrades feed on fluids from plant cells, bacteria and animal cells.

Features of Actinarctus odissi

The newly discovered species exhibits several unique characteristics:

• Dome-shaped body
• Transparent wing-like flaps called alae
• Shorter lateral wings compared to related species
• Blunt-tipped sensory appendages
• Simple and short sensory organs on back legs
• Distinct sculptured back with tiny trombone-shaped pillars

These features distinguish it from other members of the Actinarctus genus.

Extraordinary Survival Ability of Tardigrades

Tardigrades are globally known for surviving extreme environmental conditions such as:

• Extreme heat
• Freezing temperatures
• High radiation
• Vacuum of outer space
• Severe dehydration

Under unfavourable conditions, they enter a suspended animation stage called the “tun” state”. In this condition:

• The body dries and contracts into a lifeless ball-like form
• Metabolism reduces to nearly 0.01% of normal activity
• They can survive for years or even decades

This remarkable adaptation makes tardigrades one of the toughest life forms on Earth.

Significance of the Discovery

Biodiversity Conservation

The discovery highlights the rich and largely unexplored marine biodiversity of the Bay of Bengal and India’s eastern coastline.

Scientific Importance

Studying tardigrades can help scientists understand mechanisms of:

• Extreme survival
• Radiation resistance
• Cellular repair systems
• Long-term biological preservation

Space and Biotechnology Research

Tardigrades are studied extensively in astrobiology because of their ability to survive space-like conditions. Their biological mechanisms may contribute to advancements in:

• Space exploration
• Medicine
• Cryopreservation
• Biotechnology

Challenges to Marine Biodiversity

• Marine pollution
• Coastal habitat destruction
• Climate change
• Ocean acidification
• Rising sea temperatures

These factors threaten microscopic marine organisms and fragile ecosystems.

Way Forward

India should strengthen marine biodiversity research, coastal ecosystem conservation and taxonomic studies. Greater investment in marine science and deep-sea exploration can improve understanding of hidden aquatic life and support biodiversity conservation efforts.

The discovery of Actinarctus odissi showcases India’s growing contribution to global scientific and biodiversity research.

Why in News?

The concept of ecocide has recently gained renewed international attention amid allegations by Lebanon and Iran against Israel for causing severe environmental destruction during military operations in West Asia. Environmental activists, legal scholars, and several international organisations are now demanding that ecocide be formally recognised as an independent international crime under the framework of the International Criminal Court.

What is Ecocide?

Ecocide refers to extensive, severe, or long-term destruction of the natural environment caused by human activities, resulting in serious ecological imbalance and damage to ecosystems. Such destruction may occur due to:

• armed conflicts,
• industrial disasters,
• deforestation,
• pollution,
• mining activities,
• or reckless exploitation of natural resources.

The term combines the Greek word “oikos” (home/environment) and the Latin suffix “-cide” (killing), literally meaning “killing the environment.”

The idea emerged prominently during the Vietnam War after the extensive ecological damage caused by the use of chemical defoliants such as Agent Orange.

Growing Global Recognition

Although ecocide is not yet recognised as an international crime, several countries have incorporated similar provisions into domestic laws.

National-Level Recognition

• Vietnam became the first country to criminalise ecocide in 1990.
• Countries such as Russia, Ukraine, France, Belgium, and Chile have introduced legal provisions dealing with severe environmental destruction.

Proposed International Definition

In 2021, an independent panel of legal experts proposed defining ecocide as:

“Unlawful or reckless acts committed with knowledge that there is a substantial likelihood of severe, widespread or long-term damage to the environment.”

This proposed definition seeks to establish individual criminal liability for environmental destruction at the global level.

Existing International Legal Framework

Even though ecocide is not formally recognised, international law already contains provisions related to environmental protection during armed conflict.

1. Rome Statute of the ICC

The Rome Statute classifies certain acts causing:

• “widespread,
• long-term,
• and severe damage to the natural environment”

as war crimes when such damage is clearly excessive in relation to anticipated military advantage.

However, these provisions are limited primarily to wartime situations.

2. Geneva Conventions

The Geneva Conventions prohibit methods of warfare expected to cause widespread and severe environmental destruction.

3. ENMOD Convention

The Environmental Modification Convention (ENMOD) prohibits hostile use of environmental modification techniques such as deliberate manipulation of weather or natural processes causing large-scale destruction.

4. Principles of State Responsibility

International environmental law also recognises the principle that states should not cause environmental harm beyond their borders. Cross-border pollution and ecological damage may therefore attract international responsibility.

How Ecocide Differs from Existing Laws

The primary difference lies in the focus of protection.

Anthropocentric Nature of Existing Laws

Current international laws are largely anthropocentric, meaning environmental destruction becomes punishable mainly when it harms human beings or affects civilian populations.

Ecocentric Approach of Ecocide

The concept of ecocide adopts an ecocentric approach, treating nature itself as an entity deserving independent legal protection.

Under this framework:

• forests,
• rivers,
• oceans,
• biodiversity,
• and ecosystems

are considered worthy of protection even if immediate human suffering is not directly visible.

Supporters argue that this shift is necessary because environmental destruction often creates irreversible long-term consequences that extend beyond human-centred calculations.

Limitations of Current International Law

Despite existing provisions, major gaps remain in international environmental accountability.

Limited Scope

Most legal provisions apply mainly during wartime and do not adequately address peacetime ecological disasters such as:

• oil spills,
• massive deforestation,
• illegal mining,
• or industrial pollution.

Jurisdictional Constraints

Countries such as Iran and Lebanon are not parties to the ICC, limiting the Court’s jurisdiction unless:

• the matter is referred by the United Nations Security Council,
• or the concerned state voluntarily accepts jurisdiction.

Lack of Criminal Liability

Most international environmental treaties impose obligations on states but do not create direct criminal liability for individuals responsible for ecological destruction.

Weak Enforcement

International law often depends on political cooperation and voluntary compliance. Powerful states may evade accountability due to geopolitical considerations.

Importantly, no direct prosecution has yet occurred for wartime environmental destruction under existing international criminal law.

Challenges in Recognising Ecocide

Adding ecocide to the Rome Statute would require:

1. A formal amendment proposal by a State Party.
2. Approval by a two-thirds majority of ICC member states.
3. Ratification by individual states before implementation.

Many countries fear that broad criminalisation may:

• affect industrial growth,
• increase litigation,
• or create political misuse against developing nations.

There are also concerns regarding:

• defining thresholds of environmental damage,
• proving criminal intent,
• and balancing development with sustainability.

Significance of Recognising Ecocide

Despite enforcement challenges, recognition of ecocide can have major global significance.

Strengthening Accountability

It would establish stronger legal responsibility for governments, corporations, and military actors involved in large-scale environmental destruction.

Deterrence Effect

Recognition could discourage environmentally destructive actions by increasing reputational, legal, and diplomatic costs.

Advancing Environmental Justice

It would strengthen global environmental governance and recognise ecological protection as a core international value.

Ethical Transformation

Ecocide recognition symbolises a transition from purely human-centred development toward sustainable coexistence with nature.

Recent International Developments

The International Union for Conservation of Nature has passed resolutions supporting recognition of ecocide.

In 2025, the Council of Europe adopted the Convention on the Protection of the Environment through Criminal Law, the world’s first binding treaty criminalising severe environmental destruction. The treaty allows European courts to prosecute such offences even when committed outside Europe.

These developments indicate growing global momentum toward stronger environmental accountability mechanisms.

Conclusion

The debate over ecocide reflects the evolving relationship between international law and environmental protection. While current legal frameworks provide partial safeguards, they remain inadequate in addressing large-scale ecological destruction comprehensively. Recognising ecocide as an international crime may not immediately solve enforcement challenges, but it would establish an important legal and moral standard against environmental devastation. In an era of climate change, biodiversity loss, and ecological crises, the movement toward criminalising ecocide represents an important step toward strengthening global environmental justice and sustainable governance.

Recent research has revealed that cacti are capable of forming new species much faster than previously believed, despite their reputation as slow-growing desert plants. The findings highlight the remarkable adaptability of cacti to harsh climatic conditions and changing environments.

About Cacti

Cacti are succulent plants known for their thick, fleshy stems and sharp spines. They belong to the family Cactaceae, which includes nearly 2,000 species across 139 genera. These plants are primarily native to the deserts and arid regions of North and South America, where they have evolved specialized adaptations to survive extreme heat and water scarcity.

One of the most distinctive features of cacti is their ability to store large quantities of water in their stems. During rainfall, water is absorbed rapidly through their shallow but widespread root systems and stored for use during prolonged dry periods. The stems are covered with a waxy protective layer that minimizes water loss through evaporation.

Unlike ordinary plants, cacti generally lack true leaves. Instead, photosynthesis takes place in the green stem itself, reducing moisture loss. Most cacti possess a columnar shape with a narrow base and wider upper structure, helping minimize surface area exposed to intense sunlight.

Unique Features of Cacti

1. Areoles

Cacti can be distinguished from other succulent plants by the presence of areoles. These are small cushion-like structures from which spines, flowers, branches, and sometimes leaves emerge. Areoles are considered modified branches and are a defining characteristic of cactus species.

2. Spines and Glochids

The spines protect the plant from herbivores and reduce water loss by limiting airflow around the stem. Some species also possess tiny barbed bristles known as glochids, which can easily detach and act as a defense mechanism.

3. Water Conservation Adaptations

• Thick succulent stems for water storage
• Waxy coating to prevent evaporation
• Specialized roots for rapid water absorption
• Reduced or absent leaves
• Crassulacean Acid Metabolism (CAM) photosynthesis, which allows stomata to open at night to reduce water loss

Major Types of Cacti

Opuntias (Prickly Pears)

• Characterized by flat, fleshy pads
• Covered with spines and glochids
• Produce edible fruits
• Widely used for food, fodder, and medicinal purposes

Columnar Cacti

• Tall and cylindrical in shape
• Have ridged stems
• Can grow to great heights
• Provide shelter and food for desert wildlife

Ecological Importance

Cacti play a crucial role in desert ecosystems:

• Prevent soil erosion
• Provide habitat for birds, insects, and reptiles
• Serve as food sources for animals
• Help maintain biodiversity in arid regions

Many indigenous communities also use cacti for food, medicine, and cultural practices.

Threats to Cacti

Despite their resilience, cacti face several threats:

• Climate change
• Habitat destruction
• Illegal collection and trade
• Urbanization
• Desert ecosystem degradation

According to the International Union for Conservation of Nature, many cactus species are currently threatened with extinction.

Conclusion

The latest findings regarding rapid speciation in cacti demonstrate that even slow-growing desert plants can evolve quickly under environmental pressures. Their extraordinary adaptations make them one of the most successful plant groups in arid ecosystems. Conserving cactus biodiversity is essential for maintaining ecological balance and protecting fragile desert habitats.

India is witnessing an intense summer marked by heatwaves, unseasonal rainfall, rising humidity, and concerns regarding the possible return of El Niño conditions. These climatic events are influencing rainfall patterns, agricultural productivity, water availability, and public health across the country.

The India Meteorological Department (IMD) has forecast fresh Western Disturbances over North India between May 11 and May 13, 2026, while global agencies have warned of a possible El Niño year ahead. Along with increasing heat stress and rising “feels like” temperatures, these climate phenomena are becoming increasingly relevant for governance, disaster management, and climate adaptation.

Western Disturbance

A Western Disturbance is an eastward-moving rain-bearing weather system originating over the Mediterranean region, Iran, and Afghanistan. These systems gather moisture from the Mediterranean Sea, Black Sea, Caspian Sea, and Arabian Sea before reaching the Indian subcontinent.

Western Disturbances are extra-tropical cyclones formed due to interactions between cold polar air masses and warm tropical air masses. They travel through the subtropical westerly jet stream, a high-altitude fast-moving air current flowing west to east over the Himalayan region.

They mainly affect:

• Northwestern India
• Pakistan
• Afghanistan
• Himalayan regions

Western Disturbances are most common during winter (December–March) and are important for:

• Winter rainfall in North India
• Snowfall in the Himalayas
• Rabi crop productivity

However, during summer, they can cause:

• Unseasonal rainfall
• Thunderstorms
• Hailstorms
• Sudden temperature fluctuations

Such weather events can damage crops, disrupt transport, and increase humidity levels.

El Niño and ENSO

The El Niño Southern Oscillation (ENSO) is a global climate phenomenon involving changes in Pacific Ocean temperatures and atmospheric circulation.

ENSO has three phases:

1. El Niño – Warm phase
2. La Niña – Cool phase
3. Neutral phase

These cycles usually occur every 2–7 years.

Under normal conditions, trade winds push warm ocean water towards Indonesia, keeping the eastern Pacific near South America cooler. During El Niño, these trade winds weaken, causing unusually warm waters in the eastern Pacific Ocean.

Impact of El Niño on India

El Niño generally weakens India’s southwest monsoon and can lead to:

• Delayed monsoon onset
• Below-normal rainfall
• Drought-like conditions
• Reduced agricultural output
• Frequent and severe heatwaves

The U.S. Climate Prediction Center has projected a 61% probability of El Niño developing between May and July 2026.

La Niña and Monsoon

La Niña is the opposite phase of ENSO, characterised by cooler-than-normal eastern Pacific waters.

It generally strengthens the Indian monsoon by enhancing moisture-bearing winds over the Indian Ocean.

Effects of La Niña include:

• Above-normal monsoon rainfall
• Better agricultural conditions
• Increased risk of floods and landslides during extreme rainfall events

Thus, both El Niño and La Niña significantly influence India’s economy, agriculture, and water security.

Heat Waves in India

A heat wave is a prolonged period of unusually high temperatures significantly above the normal average of a region.

According to the IMD:

• Heat wave conditions in plains occur at 40°C or above
• In hilly areas, the threshold is 30°C
• Severe heat waves occur when temperatures exceed normal levels by more than 6.4°C

Irrespective of normal temperatures:

• Heat wave: 45°C or above
• Severe heat wave: 47°C or above

Heatwaves become more dangerous due to:

• High humidity
• Strong dry winds
• Longer duration of exposure

India has witnessed increasing frequency and intensity of heatwaves due to climate change and urban heat island effects.

Wet Bulb Temperature and Heat Stress

The normal temperature measured by a thermometer is called Dry Bulb Temperature. However, it does not account for humidity.

Wet Bulb Temperature measures the lowest temperature achievable through evaporation and reflects the body’s ability to cool itself through sweating.

High humidity reduces sweat evaporation, making extreme heat feel more dangerous.

According to the Intergovernmental Panel on Climate Change (IPCC):

• Sustained exposure above 35°C wet bulb temperature can be fatal
• Above 31°C, heavy physical activity becomes dangerous

Outdoor workers, elderly people, and individuals with heart disease or diabetes are particularly vulnerable.

“Feels Like” Temperature and Heat Index

The “Feels Like” temperature, also called apparent temperature, represents how hot or cold weather actually feels to the human body.

It combines:

• Actual air temperature
• Humidity
• Wind conditions

Heat Index

The Heat Index combines temperature and humidity to estimate heat stress on the body.

Wind Chill Index

The Wind Chill Index combines temperature and wind speed to estimate how cold weather feels.

These indicators are important for issuing public health advisories during extreme weather events.

Conclusion

India’s summer of 2026 highlights the growing impact of climate variability and extreme weather events. Western Disturbances, El Niño conditions, heatwaves, rising humidity, and increasing “feels like” temperatures are affecting agriculture, health, water security, and the economy.

With climate change intensifying weather extremes, strengthening forecasting systems, heat action plans, climate-resilient agriculture, and public awareness will be essential for reducing vulnerability and improving climate adaptation in India.