Jeff Cogan provided commentary in this article, which also cites the Climate Solutions Lab at Watson: "There's so much that a federal government can do on climate change across the various agencies, not just at the state department, or the Treasury or the Environmental Protection Agency, or the Federal Reserve, at all of them...We should not forget how powerful the president can be."
Stephen Kinzer in The Boston Globe, "Biden has a chance to end the longstanding practice of handing out ambassadorships as political rewards. The temptation to continue, however, is strong. Biden is unlikely to resist it any more successfully than his predecessors."