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  2. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.

  3. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution can cause diseases, allergies, and even death; it can also cause harm to animals and crops and damage the natural environment (for example, climate change, ozone depletion or habitat degradation) or built environment (for example, acid rain). [3] Air pollution can occur naturally or be caused by human activities. [4]

  4. Environmental issues - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues

    Water pollution is an environmental issue that affects many water bodies. This photograph shows foam on the New River as it enters the United States from Mexico. Environmental issues are disruptions in the usual function of ecosystems. [1] Further, these issues can be caused by humans (human impact on the environment) [2] or they can be natural ...

  5. File:Air Pollution-Causes&Effects.svg - Wikipedia

    en.wikipedia.org/wiki/File:Air_Pollution-Causes...

    English: Reasons and effects of air pollution' Carbondioxide from exhausts and energy production; Methane from cattle breeding; Sulfur oxides from exhausts and industry; CFCs from refrigerants and propellants; Nitrogen oxides from exhausts and industry; Ozone from air with high oxygen level, catalysed by nitrogen oxides;

  6. Noise pollution - Wikipedia

    en.wikipedia.org/wiki/Noise_pollution

    Research suggests that noise pollution in the United States is the highest in low-income and racial minority neighborhoods, [5] and noise pollution associated with household electricity generators is an emerging environmental degradation in many developing nations.

  7. Ghazipur landfill - Wikipedia

    en.wikipedia.org/wiki/Ghazipur_landfill

    Despite efforts to mitigate problems, long-term mismanagement at the landfill has created significant ongoing environmental, fire, and human health hazards, with the site emitting toxic gases, polluting groundwater, and creating an extreme fire hazard. [4] [5]

  8. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1]: 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 ...

  9. Visual pollution - Wikipedia

    en.wikipedia.org/wiki/Visual_pollution

    Visual pollution is the degradation of the visual environment due to unattractive or disruptive elements that negatively impact the aesthetic quality of an area. It can affect urban, suburban, and natural landscapes. [ 1 ]

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