Environment Flashcards

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1
Q

Global warming

A

a gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.

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2
Q

Greenhouse effect

A

the trapping of the sun’s warmth in a planet’s lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet’s surface.

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3
Q

Ecological footprint

A

An ecological footprint is the measure of total human impact on an ecosystem. Some people’s footprint is larger than others

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