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UN climate chief Simon Stiell gave a moving speech at the Cop29 opening plenary on Monday, writes Dharna Noor, fossil fuels and climate reporter for Guardian US, who is reporting from Baku.

“In tough times, up against difficult tasks, I don’t go in for hopes and dreams,” he said. “What inspires me is human ingenuity and determination. Our ability to get knocked down and to get up again over and over again, until we accomplish our goals.”