Britain's Prince William, right, speaks with John Kerry, United States Special Presidential Envoy for Climate, during a meeting with Earthshot prize winners and heads of state on the sidelines of the COP26 U.N. Climate Summit in Glasgow, Scotland, Tuesday, Nov. 2, 2021. The U.N. climate summit in Glasgow gathers leaders from around the world, in Scotland's biggest city, to lay out their vision for addressing the common challenge of global warming. (AP Photo/Alastair Grant, Pool)