'Indoor air pollution cont' diaporamas de présentation

Air Pollution

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Air Pollution

Air Pollution. The Air Around Us. Approximately 147 million tons of air pollutants are released annually into the atmosphere in the U.S. Worldwide emissions total around 2 billion metric tons. 16 of the 20 smoggiest cities in the world are in China. Natural Sources of Air Pollution.

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Air , Noise, and Light Pollution Section 12.2

Air , Noise, and Light Pollution Section 12.2. Objectives: Describe 3 possible short-term effects and long-term effects of air pollution on human health. Explain what causes indoor air pollution and how it can be prevented. Describe 3 human health problems caused by air pollution.

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