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  2. Water pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_pollution_in_the...

    Air pollution is also a major contributor to surface water pollution. The type of pollutants in the air emitted by industrial facilities, motor vehicles, [47] and agricultural bio-waste released to the atmosphere affect the quality of marine and fresh water bodies, thus affecting marine life, plants, animals, and ultimately human survival.

  3. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    e. Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [ 1 ] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological ...

  4. Environmental impact of transport - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Pollution. The environmental impact of transport are significant because transport is a major user of energy, and burns most of the world's petroleum. This creates air pollution, including nitrous oxides and particulates, and is a significant contributor to global warming through emission of carbon dioxide. [2][3] and also plant pollution, by ...

  5. Environmental impact of aviation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    In 2018, global commercial operations generated 2.4% of all CO 2 emissions. [3] Jet airliners have become 70% more fuel efficient between 1967 and 2007, and CO 2 emissions per revenue ton-kilometer (RTK) in 2018 were 47% of those in 1990. In 2018, CO 2 emissions averaged 88 grams of CO 2 per revenue passenger per km.

  6. Human impact on the environment - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    v. t. e. Human impact on the environment (or anthropogenic environmental impact) refers to changes to biophysical environments [1] and to ecosystems, biodiversity, and natural resources [2] caused directly or indirectly by humans. Modifying the environment to fit the needs of society (as in the built environment) is causing severe effects [3][4 ...

  7. Climate change and cities - Wikipedia

    en.wikipedia.org/wiki/Climate_change_and_cities

    Cities are also one of the most vulnerable parts of the human society to the effects of climate change, [3] and likely one of the most important solutions for reducing the environmental impact of humans. [4][2][3] The UN projects that 68% of the world population will live in urban areas by 2050. [5] In the year 2016, 31 mega-cities reported ...

  8. Climate and Clean Air Coalition to Reduce Short-Lived Climate ...

    en.wikipedia.org/wiki/Climate_and_Clean_Air...

    Short-lived climate pollutants (SLCPs) have relatively short lifetime in the atmosphere – a few days to a few decades – and a powerful warming influence on climate. The main short-lived climate pollutants are black carbon, methane and tropospheric ozone, which are the most important contributors to the human enhancement of the global greenhouse effect after CO 2.

  9. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    t. e. Pollution is the introduction of contaminants into the natural environment that cause adverse change. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring ...