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  2. NASA Clean Air Study - Wikipedia

    en.wikipedia.org/wiki/NASA_Clean_Air_Study

    Since the release of the initial 1989 study, titled A study of interior landscape plants for indoor air pollution abatement: An Interim Report, [6] further research has been done including a 1993 paper [7] and 1996 book [8] by B. C. Wolverton, the primary researcher on the original NASA study, that listed additional plants and focused on the removal of specific chemicals.

  3. 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 ...

  4. Afforestation - Wikipedia

    en.wikipedia.org/wiki/Afforestation

    Earth offers enough room to plant an additional 0.9 billion ha of tree canopy cover. [4] Planting and protecting them would sequester 205 billion tons of carbon [4] which is about 20 years of current global carbon emissions. [5] This level of sequestration would represent about 25% of the atmosphere's current carbon pool. [4]

  5. How to fix pollution, noise, and stress in cities using only ...

    www.aol.com/fix-pollution-noise-stress-cities...

    Turning existing city infrastructure green by installing plants can filter out fine dust and noise, reduce urban heat island effects, and even reduce stress. All it takes is regreening 20 percent ...

  6. Pollution Prevention Act of 1990 - Wikipedia

    en.wikipedia.org/wiki/Pollution_Prevention_Act...

    The Pollution Prevention Act of 1990 (PPA) is a United States federal law that created a national policy to promote the prevention of pollution or reduction at pollution sources wherever possible. [1] The law also expanded the Toxics Release Inventory (TRI), a waste reporting program administered by the United States Environmental Protection ...

  7. Recycling - Wikipedia

    en.wikipedia.org/wiki/Recycling

    Some plants can now sort materials automatically; this is known as single-stream recycling. Automatic sorting may be aided by robotics and machine learning. [65] [66] In plants, a variety of materials is sorted including paper, different types of plastics, glass, metals, food scraps, and most types of batteries. [67]

  8. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.

  9. Environmental impact of pesticides - Wikipedia

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

    The unintended consequences of pesticides is one of the main drivers of the negative impact of modern industrial agriculture on the environment. Pesticides, because they are toxic chemicals meant to kill pest species, can affect non-target species, such as plants, animals and humans.