Signatories to the 1989 Montreal Protocol on Substances that Deplete the Ozone Layer was set to organize in Kigali, Rwanda, to discuss an amendment to the treaty that would gradually reduce and eventually eliminate the use of hydrofluorocarbons (HFCs). HFCs, one of the six main GHGs, is 4000 times more potent than carbon dioxide (CO2). It’s commonly used in air conditioners and refrigeration systems. If the proposed amendment is to be realized, release of 100-200 billion tons of emissions by 2050 could be prevented. Reduction of HFCs is therefore a functional solution to rapidly reduce global emissions. Read more at unfccc.int.
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