As 2023 draws to a close, climate records are once again being shattered, with this year on track to be the hottest on record. And around the world climate chaos is a daily fact of life. But some are hopeful the tide is turning. This scorching year is ending with a new deal calling for a "transition away" from fossil fuels. President Biden’s climate envoy, John Kerry, hailed the agreement as “the most important decision” since the landmark 2015 Paris agreement, which he had negotiated for the United States. He joins Christiane in London to talk about how a difficult consensus was reached. 

Also on today's show: Rabbi Sharon Brous; Professor Stephen Vladeck 

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