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World Can Only Avoid Climate Catastrophe If New Climate Promises Are Kept

New net-zero pledges from nations promise to bring global climate agreement closer to 1.5 degree goal, but worse outcomes are possible if countries walk back goals.

Protests at COP26

Protests at COP26

Photographer: Emily Macinnes/Bloomberg
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New net-zero pledges made at United Nations climate talks have created a slim but viable hope that the world could avoid a crucial redline for climate catastrophe, according to a new analysis, but worse outcomes remain possible if countries don’t deliver on their promises.