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Sherlocking Revision Doc — Environment
Comprehensive Environment revision notes for UPSC Prelims covering Climate Change, Pollution, Biodiversity, Wildlife Conservation, Wetlands & Oceans, Sustainable Development, Alternative Energy, Disaster Management, and Geography — organized for quick revision with the Sherlocking approach.
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Sherlocking Revision — Environment (Complete PDF)(37 MB)
Practice Environment questions with the Sherlocking Method
Attempt UPSC-level MCQs with detailed explanations and smart elimination strategies.
- Ozone Hole: 90% of ozone resides in the stratosphere; thickness measured in Dobson Units; ODSs include chlorine, bromine, CFCs, halons
- Montreal Protocol 1987: 1st universally ratified treaty; Kigali Amendment (2016) phases down HFCs
- India ratified Kigali Amendment in 2021 — phase down HFCs in 4 steps from 2032 onwards
- COP28 (UNFCCC) held in Dubai — operationalized Loss and Damage (L&D) Fund
- NDCs: India's Panchamrit — 500 GW non-fossil energy by 2030, net zero by 2070
- Cryosphere: frozen part of planet, high albedo, stores carbon in permafrost, contains 80% of fresh water
- Arctic Amplification: warming differential between poles and tropics; Blue Ocean Event — Arctic ice below 1M sq km
Download the full PDF
Sherlocking Revision — Environment (Complete PDF)(37 MB)
Practice Environment questions with the Sherlocking Method
Attempt UPSC-level MCQs with detailed explanations and smart elimination strategies.