Environmental Science

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What is air pollution?

Back

The presence of harmful substances in the air that can cause health problems and environmental damage.

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What is the ozone layer?

Back

A region of Earth's stratosphere that absorbs most of the Sun's harmful ultraviolet radiation.

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What are particulate matter (PM)?

Back

Tiny particles or droplets in the air that can be inhaled and cause health issues.

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What is nitric oxide?

Back

A gas produced from combustion processes, contributing to air pollution.

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What is the Clean Air Act?

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A U.S. law designed to control air pollution on a national level.

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What is smog?

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A type of air pollution that is a mixture of smoke and fog.

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What are nitrogen oxides?

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Gases produced from burning fossil fuels, contributing to air pollution and respiratory problems.

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What are volatile organic compounds (VOCs)?

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Organic chemicals that can evaporate into the air and contribute to air pollution.

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What is acid rain?

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Precipitation that contains high levels of sulfuric or nitric acids, often due to air pollution.

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What is greenhouse gas?

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Gases that trap heat in the atmosphere, contributing to global warming.