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  2. Human impact on the environment - Wikipedia

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

    Water pollution also reduces the ecosystem services such as drinking water provided by the water resource. Sources of water pollution are either point sources or non-point sources. [155] Point sources have one identifiable cause, such as a storm drain, a wastewater treatment plant, or an oil spill. Non-point sources are more diffuse.

  3. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    Pollution is the introduction of contaminants into the natural environment that cause harm. [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 contaminants.

  4. List of global issues - Wikipedia

    en.wikipedia.org/wiki/List_of_global_issues

    This list of global issues presents problems or phenomena affecting people around the world, including but not limited to widespread social issues, economic issues, and environmental issues. Organizations that maintain or have published an official list of global issues include the United Nations, and the World Economic Forum.

  5. Air Quality Is Bad Pretty Much Everywhere, New World ... - AOL

    www.aol.com/air-quality-bad-pretty-much...

    Air pollution is associated with an estimated 7 million premature deaths each year. WHO guidelines recommend exposure to no more than an annual mean PM2.5 concentration of 5 micrograms per cubic ...

  6. Environmental issues - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues

    Levels of air pollution rose during the Industrial Revolution, sparking the first modern environmental laws to be passed in the mid-19th century. The environmental movement (sometimes referred to as the ecology movement) is a social movement that aims to protect the natural world from harmful environmental practices in order to create ...

  7. How Climate Change and Air Pollution Affect Kids' Health

    www.aol.com/news/climate-change-air-pollution...

    A review article shows how dangerous climate-related threats are to children’s well-being

  8. List of countries by air pollution - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_air...

    Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million premature deaths in 2019), according to The Lancet. Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike.

  9. 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]