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  2. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.

  3. Water pollution in India - Wikipedia

    en.wikipedia.org/wiki/Water_pollution_in_India

    Water pollution is a major environmental issue in India. The largest source of water pollution in India is untreated sewage. [1] Other sources of pollution include agricultural runoff and unregulated small-scale industry. Most rivers, lakes and surface water in India are polluted due to industries, untreated sewage and solid wastes.

  4. Nullah - Wikipedia

    en.wikipedia.org/wiki/Nullah

    In East Asia, a nullah (Chinese: 明渠; pinyin: míngqú; Wade–Giles: ming 2-chʻü 2; Jyutping: ming 4 keoi 4; lit. 'open ditch') refers to an open, usually concrete-lined flood control channel designed to allow rapid drainage of stormwater or a sewerage channel for industrial wastewater from high ground, to prevent flooding or stagnation in urbanised coastal areas, [4] and basically is an ...

  5. Environmental issues in India - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in_India

    Air pollution, poor management of waste, growing water scarcity, falling groundwater tables, water pollution, preservation and quality of forests, biodiversity loss, and land/soil degradation are some of the major environmental issues India faces today. [12] India's population growth adds pressure to environmental issues and its resources.

  6. Water issues in developing countries - Wikipedia

    en.wikipedia.org/wiki/Water_issues_in_developing...

    Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [31]: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from ...

  7. World Water Day - Wikipedia

    en.wikipedia.org/wiki/World_Water_Day

    Relevant issues include water scarcity, water pollution, inadequate water supply, lack of sanitation, and the impacts of climate change (which is the theme of World Water Day 2020 [10]). The day brings to light the inequality of access to WASH services and the need to assure the human right to water and sanitation.

  8. Environmental issues in Pakistan - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    Environmental issues in Pakistan include air pollution, water pollution, noise pollution, climate change, pesticide misuse, soil erosion, natural disasters, desertification and flooding. According to the 2020 edition of the environmental performance index (EPI) ranking released by Yale Center for Environmental Law & Policy , Pakistan ranks 142 ...

  9. World Environment Day - Wikipedia

    en.wikipedia.org/wiki/World_Environment_Day

    The slogan was picked through a voting process on social media. [ 36 ] [ 37 ] In Saudi Arabia, 15 women recycled 2000 plastic bags to crochet a mural in support of the WED 2015. [ 38 ] In India, Narendra Modi planted a Kadamb sapling to celebrate the World Environment Day and raise awareness for Environment.