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  2. Nonpoint source pollution - Wikipedia

    en.wikipedia.org/wiki/Nonpoint_source_pollution

    Nonpoint source (NPS) pollution refers to diffuse contamination (or pollution) of water or air that does not originate from a single discrete source. This type of pollution is often the cumulative effect of small amounts of contaminants gathered from a large area. It is in contrast to point source pollution which results from a single source.

  3. Health and environmental impact of transport - Wikipedia

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

    The synergetic consequences of transport activities. They take into account the varied direct and indirect effects on an ecosystem. Climate change is the sum total result of several natural and human-made factors. 15% of global CO 2 emissions are attributed to the transport sector.

  4. Glossary of language education terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_language...

    An outline or plan that guides teaching of a lesson; includes the following: pre-assessment of class; aims and objectives; warm-up and review; engagement, study, activation of language (controlled, guided and free practice); and assessment of lesson. A good lesson plan describes procedures for student motivation and practice activities, and ...

  5. Air pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_the...

    Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. 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.

  6. Environmental degradation - Wikipedia

    en.wikipedia.org/wiki/Environmental_degradation

    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. It is defined as any change or disturbance to the environment perceived to be deleterious or undesirable.

  7. Pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_the_United_States

    Pollution from the Exxon Valdez oil spill. As with many countries, pollution in the United States is a concern for environmental organizations, government agencies, and individuals. Billions of pounds of toxic chemicals are released into the air, land, and waterways in the U.S. each year.

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