Rhino Dehorning & Poaching Decline
Why is it in News? Relevance Global Rhino Status: Core Findings of the Study Impact of Dehorning Methodology Why Dehorning Works ? Economics of Poaching Behavioural Reality of Poachers Limits of Enforcement-Only Models How Dehorning Is Done (Animal Welfare) ? India–Africa Contrast African Context Indian & Nepali Model Role of Local Communities & Rangers Conservation […]
Forests can’t be used for non-forestry purposes: Supreme Court
Why in News ? Relevance GS II (Polity & Governance) GS III (Environment) Legal Background: The Forest (Conservation) Framework What the Supreme Court Held ? Key Constitutional & Jurisprudential Principles Reinforced A. Environmental Rule of Law B. Doctrine of Public Trust C. Sustainable Development Federal Dimension: Centre–State Balance Administrative Lapses Highlighted Implications of the Judgment […]
Tiger Conservation & 6th Cycle of All India Tiger Estimation
Why in News ? Relevance GS III – Environment & Biodiversity All India Tiger Estimation (AITE): Core Facts India’s Tiger Numbers: Data Snapshot Inference: Quantitative success, but quality of coexistence now the key challenge. Why “Science-Based” Conservation Is Stressed ? Limits of Headline Targets Ecological Carrying Capacity Human–Wildlife Conflict: Rising Trend Implication: Conservation success spills into shared […]
Southern Ocean Carbon Anomaly
Why in News ? Relevance GS III – Environment & Climate Change GS I – Geography (Physical) Why the Southern Ocean Matters? Inference: Small physical changes here have disproportionately large global climate impacts. How the Southern Ocean Carbon Sink Works ? What Climate Models Predicted (Pre-2020 Consensus) ? What Observations Actually Show (The “Anomaly”)? Confirmed Model […]
Bharat Stage–VI (BS-VI) Emission Norms
Why is it in News? Relevance GS III – Environment & Ecology , Science & Techology What are Bharat Stage (BS) Emission Norms? What is BS-VI? How to Identify a BS-VI Vehicle? What Changed from BS-IV to BS-VI? 1. Emission Limits (Diesel Cars) 2. Emission Limits (Petrol Cars) 3. Fuel Quality 4. Advanced Technologies Why Are […]
UNEA-7 (United Nations Environment Assembly-7)
Why is it in News? Relevance What is UNEA? UNEA-7 at a Glance Adopted Dropped / Diluted Leadership Transition Analytical Assessment Achievements Shortcomings Global Significance Way Forward Conclusion UNEA-7 adopted 11 resolutions advancing cooperation on minerals, reefs and chemicals, but lingering divisions over deep-sea protection, environmental crime and UNEP’s authority exposed the limits of current […]
How is the Aravalli range to be protected?
Why is it in News? Relevance What are the Aravalli Hills? Ecological Significance How Do Aravallis Prevent Desertification of the Indo-Gangetic Plain? Problem: Mining & Ecological Degradation Why Was a Uniform Definition Necessary? What Definition Did the SC Settle On? Central Empowered Committee (CEC): Key Recommendations Has the Supreme Court Completely Banned Mining? Government Initiative: […]
Inhalable Microplastics and Urban Air Pollution
Why is this in News? Relevance GS III – Environment & Public Health What are Microplastics? Traditional Air Pollution Framework Key Findings of the Study Concentration Levels Seasonal Variation “Trojan Horse” Effect Health Implications Sources of Inhalable Microplastics Why Delhi and Kolkata are Worse Affected Governance and Policy Gaps
GRAP-IV in Delhi–NCR
Why is this in News? Relevance What is GRAP? GRAP Stages and AQI Thresholds GRAP Stage AQI Range Air Quality Category GRAP-I 201–300 Poor GRAP-II 301–400 Very Poor GRAP-III 401–450 Severe GRAP-IV >450 Severe+ / Hazardous What is GRAP-IV? Measures Enforced Under GRAP-IV Transport Restrictions Construction and Infrastructure Educational Institutions Offices and Workplaces Institutional Framework […]
Are methane emissions in India being missed?
Why is this in News? Relevance GS III – Environment & Climate Change GS III – Urban Development Methane: The Basics Landfills as Methane Factories India’s Methane Profile (Waste Sector Focus) The Core Problem: Measuring an Invisible Gas Model-based Estimation (Traditional) Ground-based Monitoring Satellite Monitoring: The Game Changer Types of Satellite Data Key Missions & […]