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  2. 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 ...

  3. Marine pollution - Wikipedia

    en.wikipedia.org/wiki/Marine_pollution

    Marine plastic pollution is a type of marine pollution by plastics, ranging in size from large original material such as bottles and bags, down to microplastics formed from the fragmentation of plastic material. Marine debris is mainly discarded human rubbish which floats on, or is suspended in the ocean.

  4. 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 ...

  5. Environmental degradation - Wikipedia

    en.wikipedia.org/wiki/Environmental_degradation

    Eighty-plus years after the abandonment of Wallaroo Mines (Kadina, South Australia), mosses remain the only vegetation at some spots of the site's grounds.. Environmental degradation is the deterioration of the environment through depletion of resources such as quality of air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution.

  6. Environmental protection - Wikipedia

    en.wikipedia.org/wiki/Environmental_protection

    Environmental protection. Environmental protection is the practice of protecting the natural environment by individuals, groups and governments. [ 1] Its objectives are to conserve natural resources and the existing natural environment and, where it is possible, to repair damage and reverse trends. [ 2]

  7. Climate change - Wikipedia

    en.wikipedia.org/wiki/Climate_change

    In common usage, climate change describes global warming —the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate.

  8. Environmental science - Wikipedia

    en.wikipedia.org/wiki/Environmental_science

    Environmental science is an interdisciplinary academic field that integrates physics, biology, meteorology, mathematics and geography (including ecology, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science) to the study of the environment, and the solution ...

  9. Greenhouse gas emissions - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions

    The global print and paper industry accounts for about 1% of global carbon dioxide emissions. [178] Greenhouse gas emissions from the pulp and paper industry are generated from the combustion of fossil fuels required for raw material production and transportation, wastewater treatment facilities, purchased power, paper transportation, printed ...