Environmental Pollution
Environmental pollution is one of the most serious problems facing humanity and other life forms on our planet today. Environmental pollution is defined as “the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected.”
Pollutants: Any substance present in the environment in harmful concentration, which adversely alters the environment by damaging the growth rate of a species and by interfering with the food chains, is toxic and affects the health, comfort and property etc. is considered as a pollutant.
Classification of Pollutants
(i) Depending on their existence in nature:
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Prelims Special
- 1 Migration and Conflict
- 2 Water Security
- 3 Energy Security
- 4 Agriculture and Food Security
- 5 Sea Level Rise
- 6 Glacier Melt
- 7 Groundwater
- 8 Droughts
- 9 Changing Rainfall Patterns
- 10 Impact of Climate Change on India
- 11 Major Initiatives to Combat Climate Change
- 12 Important Terms related to Climate Change
- 13 Comparison of GWP of Different GHGs
- 14 Global Warming Potential (GWP)
- 15 Greenhouse Effect
- 16 Global Climate Change
- 17 Measures to Control River Pollution
- 18 Government Initiatives to Control Water Pollution
- 19 Bio-Toilets
- 20 Sludge Treatment and Disposal
- 21 Sewage Water Treatment for Domestic Use
- 22 Measures to Control Water Pollution
- 23 Effects of Water Pollution on Aquatic Ecosystem
- 24 Effects of Water Pollution on the Environment
- 25 Effects of Water Pollution on Health
- 26 Sources of Marine Water Pollution
- 27 Sources of Surface Water Pollution
- 28 Main Ground Water Quality Problems in India
- 29 Sources of Groundwater Pollution
- 30 Basic Parameters to Calculate Water Pollution
- 31 Government Initiatives to handle E-Waste
- 32 E-Waste Management
- 33 Government and Global Interventions
- 34 Plastic Waste Management
- 35 Government Initiatives for Solid Waste Management
- 36 Solid Wastes
- 37 Effects of Soil Pollution
- 38 Natural Pollutants
- 39 Soil Pollution
- 40 Air Quality Indexes
- 41 Regulatory Framework
- 42 Business Model to Reduce Crop Residue
- 43 Cleaner Construction Practices
- 44 Emission Trading Scheme
- 45 Reducing Emission by Optimizing the Power Sector
- 46 Indian Initiatives to Combat Air Pollution
- 47 Measures to Control Air Pollution
- 48 Effects of Air Pollutants
- 49 Major Secondary Pollutants
- 50 Major Primary Pollutants
- 51 Air Pollutants and their Sources
- 52 Critically Endangered Corals
- 53 Critically Endangered Spiders
- 54 ‘Endangered’ Fishes
- 55 Critically Endangered Fish
- 56 Vulnerable Reptiles
- 57 Critically Endangered Reptiles
- 58 Endangered Birds
- 59 Critically Endangered Birds
- 60 Vulnerable Mammals
- 61 Endangered Marine Mammals
- 62 Endangered Mammals of India
- 63 Critically Endangered Mammals of India
- 64 Status of Vultures in India
- 65 Major Wildlife Conservation Initiatives
- 66 International Cooperation
- 67 National Efforts
- 68 Biodiversity Conservation Efforts in India
- 69 Threat to Biodiversity in India
- 70 Mangroves
- 71 Forests in India
- 72 Biodiversity of India
- 73 Montreux Record
- 74 National Plan for Conservation of Aquatic Eco-systems (NPCA)
- 75 Functions of Wetlands
- 76 Wetlands
- 77 Aquatic Organisms
- 78 Biodiversity Heritage Sites of India
- 79 Aquatic Ecosystem
- 80 Major Types of Forests Based on Latitude
- 81 Terrestrial Ecosystems
- 82 Population Interactions
- 83 Nitrogen Cycle
- 84 Carbon Cycle
- 85 Trophic Levels
- 86 Ecology Concepts
- 87 PRELIMS Mock Test 2020
