Just two months into 2021, deadly winter temperatures left millions of Texans without water and power. Meanwhile, California is preparing for another year of intense drought, and Wall Street millionaires are moving their remote work to Florida, ground zero for flooding and sea-level rise. “We think about the Earth as a system,” says Marshall Shepherd, director of Atmospheric Sciences Program at the University of Georgia, “so we can't understand climate change unless we understand changes in the Arctic, or in the ocean circulations, or in the biosphere, and so forth.” “Hope or waiting and seeing is no longer a valid risk mitigation strategy." Learn more about your ad choices. Visit megaphone.fm/adchoices