HFCs
The Montreal Protocol Is the Most Successful Climate Agreement Ever
Its most recent victory is a phase-out on HFCs, a powerful greenhouse gas.
The EPA Just Banned the Chemicals That Helped Save the Ozone Layer
Hydrofuorocarbons replaced the chemicals that were depleting the ozone layer, but they are a potent greenhouse gas, up to 10,000 times stronger than carbon dioxide.
There's a Dangerous Downside to the Chemicals That Helped Save the Ozone Layer
Ozone-destroying chlorofluorocarbons were banned in 1989 but the chemicals that replaced them in refrigerators and air conditioners are contributing to global warming.
The Recovery of the Ozone Layer Isn't All Good News
We banned ozone-depleting chemicals and replaced them with ones that increase global warming.
US and China Made a Rare Pact to Cut Back on Super Greenhouse Gases
This is kind of a big deal. China and the United States, which never seem to agree on any climate change issues, just made a historic pact to cut down on a super-powerful heat-trapping gas.
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