At COP 27, the annual U.N. conference on climate change, one of the big questions that's been raised is how some of the wealthier nations should be paying for the effects of climate change in less developed countries. The U.S. is one of those wealthier nations, and the Biden administration supports creating a fund to help developing countries deal with climate change. But year after year, the money isn't there. We speak with national climate adviser to President Biden, Ali Zaidi, to understand the role the U.S. has in addressing the global climate crisis. In participating regions, you'll also hear a local news segment to help you make sense of what's going on in your community.Email us at considerthis@npr.org.