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Climate deal reached but developing nations 'not satisfied'
6m 56s
At the U.N. climate talks in Azerbaijan, negotiators struck a deal at the last moment. Wealthy nations pledged $300 billion a year by 2035 to help developing countries deal with the impacts of climate change and to help their transition to cleaner energy. It’s nowhere near the $1 trillion a year that many experts and analysts say is needed. William Brangham discussed more with Manish Bapna.