How dead birds, old maps are helping scientists track biodiversity loss
Basics Relevance: The Study (Vijay Ramesh et al., Global Change Biology, 2025) Key Findings Significance of Museums in Conservation Challenges Broader Ecological Insights
SC refuses to entertain plea against roll-out of 20% ethanol-blended petrol nationwide
Basics of the Case Relevance: GS III (Environment – Clean Energy Transition, Climate Mitigation) + GS III (Agriculture – Farmer Income, Biofuel Policy) + GS III (Economy – Energy Security, Consumer Rights) Supreme Court’s Decision Government’s Stand Issues Raised by Petitioners Broader Context Challenges & Risks Analysis of SC Verdict Way Forward
What are Blue Dragons?
Relevance : GS 3(Environment and Ecology- Marine Biodiversity) What are Blue Dragons? Why Dangerous? Global Distribution Why Rising Now? Ecological Role Conclusion
Lost villages and other costs of coalfields
Coal Mining and Displacement in India Relevance : GS 3(Environment and Ecology) Human Cost of Displacement Compensation & Rehabilitation Issues Larger Structural Concerns Socio-Economic & Environmental Impact Implications
Why Environmentalists Have Criticised Haryana Govt’s Definition of ‘Forest
Why definition of ‘forest’ matters Relevance : GS 3(Environment and Ecology) Supreme Court’s Landmark Judgments Haryana Government’s 2025 Notification Criticism from Environmentalists & Experts Reactions Wider Implications
Why Every Tiger Carcass Needs an Autopsy
Background Relevance : GS 3(Environment and Ecology) , GS 2(Governance) Why Autopsy (Postmortem) is Necessary Procedure after Discovery Challenges Significance for Conservation Way Forward
Planting Trees in Tropics Has Most Positive Climate Impacts
Background Relevance: GS 3(Environment and Ecology) Key Findings Significance for India Challenges / Limitations Way Forward / Policy Suggestions
Saltwater Crocodile Population Recovery in Sundarbans
Basic Context Relevance : GS 3(Environment and Ecology) Population Assessment Results (2025) Direct Sighting Data Dramatic Year-over-Year Growth (2024 vs 2025) Category 2024 2025 Increase Adults 71 125 76% Juveniles 41 88 115% Hatchlings 2 23 1,050% Total 114 236 107% Key Significance Survey Methodology Conservation History and Success Factors Bhagabatpur Crocodile Project (1976-Present) Long-term Impact […]
Ethanol Blending in Petrol
Context and Policy Goals Relevance : GS 3(Environment and Ecology , Science and Technology) Scientific Basis of Ethanol Energy Efficiency of Ethanol vs Petrol Vehicle Impact – Scientific Concerns Environmental & Emission Effects Maintenance and Cost Concerns International Experience Science-Driven Challenges for India Scientific Verdict Way Forward
Biodiversity everywhere is ordered by a common ‘hidden’ pattern
Basics & Context Relevance : GS 3(Environment and Ecology) The Study: Methods Key Findings: The Onion Model Scientific Significance Conservation Implications Indian Context Critiques & Limitations Way Forward Conclusion The “onion model” of biodiversity transforms our understanding of how life is organised across Earth’s regions. It reveals that biodiversity cores hold the densest, most unique life forms, […]