- Environment Notes for UPSC IAS GS1 & GS3
- Environment Questions Asked in Prelims & Mains (2011-15)
- Solved Environment Prelims Questions (2011-15)
- Environment and Ecosystem, Components of an Ecosystem
- Ecology: Levels, Principles and Organizations
- Ecotone: Edge Effect, Edge Species and Ecological Niche
- Functions of Ecosystem: Ecological succession, Homeostasis
- Energy Flow through an Ecosystem: Food Chain, Food Web
- Energy Flow through an Ecosystem: Ecological Pyramids
- Carbon Cycle, Nitrogen Cycle, Phosphorus and Sulphur Cycle
- Biomes or Terrestrial Ecosystems and Aquatic Ecosystems
- Wetland Ecosystem, Measures to Protect Wetlands, NWCP
- Ramsar Convention on Wetlands, Ramsar Site, Montreux Record
- Ramsar Sites in India with Map, Largest Ramsar Sites in India
- Estuarine Ecosystem, Mangroves, Mangroves in India
- Air Pollution: Air Pollutants, Classification of Air Pollutants
- Acid Rain & Ocean Acidification (Effects of Air Pollution)
- Controlling Air Pollution: Bharat Stage VI, National Air Quality Index
- Water Pollution: Causes & Effects, Eutrophication, Algal Blooms
- Water Pollution Control Measures: Bio-Toilets, Bioremediation
- Radioactive Pollution: Ionizing & Non-Ionizing Radiation
- Soil Pollution, Solid Waste, Hazardous Waste, Electronic Waste
- Land Degradation, Soil Erosion and Soil Conservation
- Biodiversity of India, Biodiversity Hotspots of India
- Loss of Biodiversity, Biodiversity Conservation: In Situ & Ex Situ
- Greenhouse Effect, Global Warming, Carbon Sequestration
- Earth Summit 1992, UN Environment, Rio+20, CBD, UNFCCC
- UNFCCC, Kyoto Protocol (UNFCCC Summit 1997), Carbon Trading
- Paris Agreement, Intended Nationally Determined Contributions (INDC)
- UN-REDD, REDD+, Short-Lived Climate Pollutants, GCCA+
- India’s National Action Plan On Climate Change (NAPCC)
- Laws for Prevention & Control of Pollution, Protection of Environment
- Environmental Impact Assessment (EIA) Process & Procedures
- Wild Life Protection Act, Forest Conservation Act, Forest Rights Act
- Project Tiger, Elephant, Snow Leopard, Hangul, Rhino Vision 2020
- Green Revolution, Bringing Green Revolution in Eastern India (BGREI)
- Sustainable Agriculture: Mixed cropping, Crop rotation, Mixed Farming
- Organic Farming, Bio-Fertilizers and Their Use in Agriculture
- New Agricultural Practices: Hydroponics, Aquaponics, Aeroponics
- Genetically Modified Crops (GM Crops): Benefits & Controversies
- IUCN Red List India | Red Data List | Red Book Part-1
- IUCN Red List India | Red Data List | Red Book Part-2
- IUCN Red List India | Red Data List | Red Book Part-3
- Indian Vulture Crisis Due to Diclofenac, Vulture Safety Zones
- CITES, TRAFFIC, MIKE, Wildlife Crime Control Bureau (WCCB)
- Tiger Census Report 2018, MSTrIPES, India’s Tiger Landscapes
- IPCC Special Report on the Ocean and Cryosphere (SROCC)
Environment Related Contemporary Issues and Current Affairs