John Kerry warns a long Ukraine war would threaten climate efforts

Exclusive: US presidential envoy says limiting global heating to 1.5C could be made harder by conflict

The longer the war in Ukraine carries on, the worse the consequences will be for the climate, the US presidential envoy John Kerry has warned.

Many countries are struggling with an energy crisis while also urgently needing to cut greenhouse gas emissions to limit global heating to 1.5C, he said.

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