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  2. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.

  3. Smog - Wikipedia

    en.wikipedia.org/wiki/Smog

    Smog, or smoke fog, is a type of intense air pollution.The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [1] to refer to smoky fog due to its opacity, and odor. [2]

  4. Why is air quality bad today? Here's what you need to know - AOL

    www.aol.com/why-air-quality-bad-today-124844029.html

    More pollution: People use more electricity for air conditioning, and cars emit more fumes, adding to pollution. Wildfires: Heat can cause wildfires, which release a lot of smoke and particles ...

  5. Environmental issues in the United States - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems. Health problems attributed to air pollution include premature death, cancer, organ failure, infections, behavioral changes, and other diseases.

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

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

    The U.S. also saw an uptick in air pollution, climbing from a nationwide average of 8.9 µg/m3 in 2022 to 9.1 in 2023, with the southward-drifting smoke from Canada’s wildfires partly to blame.

  7. Ground-level ozone - Wikipedia

    en.wikipedia.org/wiki/Ground-level_ozone

    Furthermore, rising air temperatures often improve ozone-forming processes, which has a repercussion on climate, as well. Ozone production rises during heat waves, because plants absorb less ozone. It is estimated that curtailed ozone absorption by plants could be responsible for the loss of 460 lives in the UK in the hot summer of 2006. [40]

  8. The (Real) Problem With Fake Plants - AOL

    www.aol.com/real-problem-fake-plants-110123038.html

    Whether the fake plant is warmed by the sun or stays cool when it is cold and dark has no bearing on any process within it: it is neither good nor bad for it. Because a real plant has a life of ...

  9. Photoperiodism - Wikipedia

    en.wikipedia.org/wiki/Photoperiodism

    [3] [4] Photoperiodic flowering plants are classified as long-day plants or short-day plants even though night is the critical factor because of the initial misunderstanding about daylight being the controlling factor. Along with long-day plants and short-day plants, there are plants that fall into a "dual-day length category".

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