John Kerry: Extreme weather around the world makes action on climate change urgent

John Kerry, President Joe Biden's Special Envoy for Climate, sat down with CBS News foreign correspondent Roxana Saberi in London to discuss his ongoing push to get countries to do more to cut "planet-warming greenhouse-gas emissions." This push comes as record weather events are appearing, triggered by climate change domestically and worldwide. Hear why the former Secretary of State remains optimistic when it comes to combatting climate change.

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