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  2. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    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 agents ...

  3. Environmental effects of transport - Wikipedia

    en.wikipedia.org/wiki/Environmental_effects_of...

    Pollution. The environmental effects 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] Within the transport sector ...

  4. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    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 ...

  5. Thermal pollution - Wikipedia

    en.wikipedia.org/wiki/Thermal_pollution

    Thermal pollution is the rise or drop in the temperature of a natural body of water caused by human influence. Thermal pollution, unlike chemical pollution, results in a change in the physical properties of water. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers. [1]

  6. Soil contamination - Wikipedia

    en.wikipedia.org/wiki/Soil_contamination

    v. t. e. Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals or improper disposal of waste. The most common chemicals involved ...

  7. Sewage - Wikipedia

    en.wikipedia.org/wiki/Sewage

    Sewage (or domestic sewage, domestic wastewater, municipal wastewater) is a type of wastewater that is produced by a community of people. It is typically transported through a sewer system. [1] : 175 Sewage consists of wastewater discharged from residences and from commercial, institutional and public facilities that exist in the locality.

  8. Pollution of the Ganges - Wikipedia

    en.wikipedia.org/wiki/Pollution_of_the_Ganges

    The ongoing pollution of the Ganges, the largest river in the Indian subcontinent, poses a significant threat to human health and the environment. [1] The river provides water to about 40% of India's population across 11 states. [2] It serves an estimated population of 500 million people, more than any other river in the world.

  9. Sustainability - Wikipedia

    en.wikipedia.org/wiki/Sustainability

    People may use the terms sustainability and sustainable development in ways that are different to how they are usually understood. This can result in confusion and mistrust. So a clear explanation of how the terms are being used in a particular situation is important. Greenwashing is a practice of deceptive marketing. It is when a company or ...