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Why do we need greenhouse gases in the atmosphere?

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Greenhouse Gases (GHG's) are the various gases that block outgoing long-wave infrared from easily leaving our atmosphere. The Greenhouse Effect (GHE) is the physical mechanism of this blocking mechanism in our atmosphere that influence how much heat we retain within the atmosphere. read more

If there were no greenhouse gases in our atmosphere, earth’s average temperature would be about 0°F (or -18°C) instead of the much warmer 59°F (15°C). Our main greenhouse gas is water vapor. We can’t do anything about that because it is controlled by evaporation from our large bodies of water. read more

The trapped energy warms the Earth’s surface, making it about 35°C warmer than it would be if we didn’t have greenhouse gases in the atmosphere. There would be no life on Earth without the warmth provided by this natural greenhouse effect. read more

Greenhouse Gases (GHG's) are the various gases that block outgoing long-wave infrared from easily leaving our atmosphere. The Greenhouse Effect (GHE) is the physical mechanism of this blocking mechanism in our atmosphere that influence how much heat we retain within the atmosphere. read more

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