China’s shifting stance on hydrofluorocarbons

The new agreement with the US on HFCs – a potent greenhouse gas – looks like a victory against China's powerful chemical lobby. The reality is more complex.

The US has been pushing for years to get Chinese support for a global reduction of HFCs under the Montreal Protocol Treaty, originally signed in 1987 to curb the use of ozone-depleting chemicals.

Amending this treaty to include curbs on the production and use of HFCs would elimi [...]

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