VOA News Africa Biden Praises New COP28 Climate Agreement Design TechDecember 14, 2023010 views Biden Praises New COP28 Climate Agreement COP28 President Sultan Ahmed al-Jaber, the United Arab Emirates' special envoy for climate change, and John Kerry, U.S. special presidential envoy for climate, are pictured at the end of the COP28 U.N. Climate Summit, Dec. 13, 2023, in Dubai, UAE.