First, emissions from fossil fuels, factory farming, and large industries release massive amounts of CO2 into the atmosphere., Some of the CO2 is absorbed by forests and the ocean. But about half of it remains in our atmosphere., Because CO2 is a greenhouse gas, it traps heat (from the sun’s radiation) in our atmosphere., Some of this heat helps the Earth’s stay warm enough to support life, but too much CO2 causes too much heat., Excessive heat the atmosphere leads to hotter weather, more severe storms, droughts and wildfires, and polar ice melting..

Atmospheric Warming: Sequence of Events

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