Air Conditioning is Making Earth Hotter. Here's What We Can Do About It

The coolants that power ACs and refrigerators — known as hydrofluorocarbons (HFCs) — first came into use decades ago to replace ozone-depleting chemicals. While HFCs do comparatively less damage to the ozone layer, their potential to trap heat is thousands of times greater than carbon dioxide. As the climate emergency thrusts HFCs into the spotlight, read more about the harmful greenhouse gasses and how the EPA aims to cut them out.

Air Conditioning is Making Earth Hotter. Here's What We Can Do About It

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