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.
Researchers have discovered a new evergreen tree species in the southern Western Ghats of Kerala and officially named it Humboldtia nairiana. The species was identified in the riparian forests of the Shendurney Wildlife Sanctuary.
About Humboldtia nairiana
Humboldtia nairiana is a newly discovered evergreen tree species belonging to the genus Humboldtia.
The species is endemic to Kerala and is currently known only from the biodiversity-rich Agasthyamala Biosphere Reserve.
It has been discovered at an elevation of around 300 metres in riparian forest ecosystems.
Features of Humboldtia nairiana
Key Characteristics
Medium-sized evergreen tree
Height ranges between 5–8 metres
Warty pale-brown bark
Distinct creamy-white blaze
Angled and glabrous branchlets
Larger flowers with long pedicels
Elliptic-oblong fruits with a shorter beak
The species possesses several stable morphological traits that distinguish it from other members of the genus.
Habitat and Distribution
The species is found in:
Riparian forests
Tropical evergreen ecosystems
Moist forest regions of the southern Western Ghats
Distribution
Strictly endemic to Kerala
Currently recorded only from the Agasthyamala landscape
Its limited distribution makes conservation particularly important.
Importance of the Discovery
The discovery is significant because:
It highlights the rich biodiversity of the Western Ghats.
It strengthens the ecological importance of the Agasthyamala Biosphere Reserve.
It demonstrates that many species remain scientifically undocumented.
It underlines the need for conservation of fragile forest ecosystems.
The Western Ghats are globally recognized as a biodiversity hotspot with high levels of endemism.
About Shendurney Wildlife Sanctuary
Shendurney Wildlife Sanctuary is located in the southern Western Ghats and forms part of the Agasthyamala Biosphere Reserve.
Key Features
Terrain
Hilly landscape
Deep ravines and valleys
Rivers
Major rivers include:
Shendurney River
Kazhuthuruthy River
Kulathupuzha River
These rivers join to form the Kallada River.
Vegetation
The sanctuary contains:
Tropical evergreen forests
Semi-evergreen forests
Moist deciduous forests
Western Ghats: A Biodiversity Hotspot
Western Ghats is one of the world’s eight “hottest hotspots” of biodiversity.
Importance
High endemic flora and fauna
Important watershed region
UNESCO World Heritage status
Critical for climate regulation and ecological balance
The discovery of new species like Humboldtia nairiana reflects the ecological richness of this region.
Conclusion
The discovery of Humboldtia nairiana from Kerala’s Western Ghats is an important addition to India’s botanical diversity. It emphasizes the ecological significance of the Agasthyamala region and highlights the urgent need for habitat conservation, biodiversity research, and sustainable forest management in ecologically sensitive areas.
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.
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:
A formal amendment proposal by a State Party.
Approval by a two-thirds majority of ICC member states.
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:
El Niño – Warm phase
La Niña – Cool phase
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.
The Government of India recently announced a sharp increase of ₹933 in the price of commercial LPG cylinders (19-kg), taking the price in Delhi to ₹3,071.50. While domestic LPG, petrol, and diesel prices have been kept unchanged, the hike has raised concerns about its cascading impact on India’s informal and small business ecosystem. The price surge has been linked to disruptions in global energy supply chains due to geopolitical tensions, particularly the US–Iran conflict and blockade of Iranian ports.
Understanding Commercial LPG and Its Importance
Commercial LPG is primarily used by businesses such as restaurants, hotels, roadside eateries, caterers, bakeries, and cloud kitchens. Unlike domestic LPG (14-kg cylinders), which is subsidised and politically sensitive, commercial LPG operates at market-linked prices.
For small food businesses, cooking gas is not merely an input but a core operational requirement. Hence, any increase in commercial LPG prices directly affects their cost structures and profitability. Given the large size of India’s informal economy, the impact extends far beyond formal economic indicators.
Timing and Vulnerability
The price hike comes at a time when small enterprises are already under strain. Weak consumer demand, elevated raw material costs, and supply chain disruptions have reduced profit margins across sectors. The additional burden of higher fuel costs further aggravates financial stress.
This timing is critical, as it increases the risk of business closures, especially among small-scale operators with limited financial resilience.
Economic Chain Reaction
The impact of the LPG price hike is multi-layered and spreads across the economy:
Businesses: Restaurants and eateries face rising operational costs. Small vendors, roadside stalls, and cloud kitchens—often operating on thin margins—may be forced to reduce output, scale down operations, or temporarily shut down.
Workers: The informal workforce, including cooks, helpers, and delivery workers, is directly affected. Reduced business activity leads to fewer working hours, lower wages, and potential job losses.
Consumers: Businesses may pass on increased costs to consumers through higher prices or reduced portion sizes. This contributes to food inflation, which disproportionately affects lower-income households.
Broader Economy: Ancillary sectors such as vegetable suppliers, dairy vendors, transporters, and packaging units experience reduced demand. This weakens local economic cycles, particularly in urban and semi-urban areas.
Thus, a single price increase triggers a ripple effect across multiple layers of the economy.
Government Approach: Balancing Inflation and Political Economy
The government’s decision to keep domestic LPG prices unchanged reflects an attempt to shield households from inflationary pressures. However, this approach shifts the burden onto businesses, particularly those in the informal sector.
Economists caution that while household inflation may remain contained, the economic impact manifests indirectly through reduced business activity, lower incomes, and weakened demand. This dual effect—supply shock combined with demand compression—poses a challenge for overall economic stability.
PNG as an Alternative: Potential and Constraints
The price hike has renewed focus on Piped Natural Gas (PNG) as an alternative energy source for commercial establishments.
Advantages of PNG:
Continuous and reliable supply without the need for cylinder refills
Reduced risk of shortages during supply disruptions
Safer usage, as PNG disperses quickly in case of leaks
Potentially lower and more stable pricing over time
Limitations:
Limited availability outside major urban areas
High initial costs of infrastructure and installation
Administrative and regulatory hurdles for small businesses
Thus, while PNG presents a long-term solution, its adoption remains constrained in the short term.
Structural Concerns
The LPG price hike highlights a broader structural issue in India’s economy—the divergence between formal and informal sectors. Large restaurant chains and organised players possess greater financial resilience and pricing power, enabling them to absorb cost increases.
In contrast, small businesses lack such buffers and are more vulnerable to shocks. This creates an uneven growth pattern, where formal sectors expand while informal enterprises struggle.
India’s consumption-driven growth model relies heavily on frequent, small-scale spending by low- and middle-income households. Rising food and service costs can reduce discretionary spending, thereby weakening demand cycles across the economy.
Conclusion
The increase in commercial LPG prices underscores the interconnected nature of global energy markets and domestic economic stability. While the immediate objective may be to reflect global price realities, the broader impact on small businesses, employment, and consumption cannot be overlooked.
A balanced policy approach is required—one that ensures energy security while protecting vulnerable sectors of the economy. Expanding PNG infrastructure, providing targeted support to small enterprises, and improving supply chain resilience are essential steps.
Ultimately, the episode highlights the need for a more inclusive growth strategy that strengthens the resilience of India’s informal sector, which remains a critical pillar of the economy.
Recently, a rare species of snake known as the Common Bronzeback Tree Snake was spotted in the Belrayan range of the Dudhwa Tiger Reserve. The sighting is considered significant as it highlights the rich reptilian biodiversity of the Terai ecosystem in northern India and underlines the ecological importance of protected forest regions.
The discovery has generated interest among wildlife researchers and conservationists because sightings of this species are relatively uncommon in the region.
About Common Bronzeback
The Common Bronzeback is a non-venomous arboreal snake belonging to the family Colubridae. It is scientifically known as Dendrelaphis tristis.
Other Names
Indian Bronzeback Tree Snake
Daudin’s Bronzeback
The species is known for its slender body, swift movements, and tree-dwelling behaviour. It is among the most agile snakes found in South Asia.
Habitat and Distribution
The Common Bronzeback is widely distributed across South and Southeast Asia.
Countries of Distribution
India
Sri Lanka
Nepal
Bhutan
Bangladesh
Pakistan
Myanmar
Habitat
The species inhabits:
Dry deciduous forests
Wet montane forests
Tropical forests
Himalayan foothills
Agricultural areas
Gardens and urban parks
The snake is highly adaptable and can survive in both natural and semi-urban environments.
Arboreal Nature
The Common Bronzeback is an arboreal species, meaning it spends most of its life on trees. It prefers treetops and shrubs rather than ground habitats. Its slender body and long tail help it move rapidly among branches.
Physical Features
The Common Bronzeback possesses several unique identifying characteristics.
Body Structure
Long and slender body
Thin elongated tail
Average length between 90–120 cm
Colouration
Grey-brown or olive-brown upper body
Distinct bronze-coloured stripe running along the back
Yellowish-white or pale yellow-orange underside
Head and Eyes
Flat and elongated head
Head broader than neck
Large eyes with rounded pupils
Whitish rounded spot present on top of the head
Its large eyes provide excellent vision, helping it hunt efficiently during the daytime.
Behaviour and Diet
The Common Bronzeback is:
Fast-moving
Diurnal (active during the day)
Non-aggressive toward humans
When threatened, it may flatten its neck slightly and move rapidly through vegetation to escape predators.
Diet
The snake mainly feeds on:
Lizards
Frogs
Small birds
Insects
By controlling populations of small animals and insects, the species contributes significantly to ecological balance.
Ecological Importance
Snakes play an important role in maintaining ecosystem stability. The Common Bronzeback acts as:
A predator controlling pests and small reptiles
A part of the food chain supporting larger predators
An indicator of healthy forest ecosystems
Its presence in Dudhwa Tiger Reserve indicates:
Healthy vegetation cover
Availability of prey species
Good ecological conditions in the Terai forests
About Dudhwa Tiger Reserve
The Dudhwa Tiger Reserve is located in Uttar Pradesh near the Indo-Nepal border.
Key Features
Part of the Terai Arc Landscape
Known for rich biodiversity
Home to tigers, swamp deer, rhinoceros, elephants, and diverse reptiles
Vegetation
The reserve contains:
Sal forests
Grasslands
Marshes
Wetlands
Such habitats provide ideal conditions for arboreal snakes like the Common Bronzeback.
Conservation Status
IUCN Red List
Least Concern (LC)
Although the species is not currently threatened globally, local populations may face pressures from:
Deforestation
Urbanisation
Habitat fragmentation
Road mortality
Human fear and killing of snakes
Conservation awareness is therefore essential to protect reptile diversity.
Importance for Biodiversity Conservation
The sighting of the Common Bronzeback highlights the importance of:
Conserving forest ecosystems
Protecting lesser-known reptile species
Conducting biodiversity surveys
Promoting ecological awareness
Reptiles are often neglected in wildlife conservation despite playing a critical role in ecosystem functioning.
The discovery also demonstrates the ecological richness of the Terai region, which supports a wide variety of flora and fauna.
Conclusion
The recent sighting of the Common Bronzeback Tree Snake in Dudhwa Tiger Reserve is an important reminder of India’s rich reptilian biodiversity. Though non-venomous and harmless to humans, the species plays a vital ecological role in maintaining forest balance. Protecting such species and their habitats is essential for conserving biodiversity and ensuring ecological sustainability. The discovery also reinforces the importance of protected areas like Dudhwa Tiger Reserve in safeguarding India’s wildlife heritage.
