Post-modernity (1945 - 2016 C.E.)

Heat pumps

170 countries agree to ban HFCs in landmark climate change agreement

The agreement was seven years in the making. HFCs became common after ozone-depleting chlorofluorocarbons (CFC) were phased out by the 1987 Montreal Protocol. Though the amount of HFCs released by humans into the atmosphere is small, HFCs are known as a “super greenhouse gas.” The chemical compound traps heat 1,000 times quicker than carbon dioxide.

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