When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. [7] [6] It is the fourth ...

  3. Environmental hazard - Wikipedia

    en.wikipedia.org/wiki/Environmental_hazard

    An example is zinc oxide, a common paint pigment, which is extremely toxic to aquatic life. [citation needed] Toxicity or other hazards do not imply an environmental hazard, because elimination by sunlight , water or organisms (biological elimination) neutralizes many reactive or poisonous substances. Persistence towards these elimination ...

  4. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.

  5. List of pollution-related diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_pollution-related...

    Diseases caused by pollution, lead to the chronic illness and deaths of about 8.4 million people each year. However, pollution receives a fraction of the interest from the global community. [1] This is in part because pollution causes so many diseases that it is often difficult to draw a straight line between cause and effect.

  6. List of environmental issues - Wikipedia

    en.wikipedia.org/wiki/List_of_environmental_issues

    Air pollution — Atmospheric particulate matter • Biological effects of UV exposure • CFC • Environmental impact of the coal industry • Environmental impact of hydraulic fracturing • Indoor air quality • Ozone depletion • Smog • Tropospheric ozone • Volatile organic compound • Ultrafine particles Light pollution Noise pollution

  7. 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 ...

  8. Environmental disaster - Wikipedia

    en.wikipedia.org/wiki/Environmental_disaster

    Environmental disaster is caused by human activity, so many believe that such disasters can be prevented or have their consequences reduced by human activity as well. Efforts to attempt mitigation are evident in cities such as Miami, Florida , in which houses along the coast are built a few feet off of the ground in order to decrease the damage ...

  9. Health and environmental effects of transport - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    The health and environmental impact of transport is significant because transport burns most of the world's petroleum.This causes illness and deaths from air pollution, including nitrous oxides and particulates, and is a significant cause of climate change through emission of carbon dioxide.