“Wildfires at all-time high. Arctic sea ice remains at record lows,” says the U.S. Environmental Protection Agency. “The Earth’s climate is changing.” The change shows up in virtually every indicator that the EPA and the National Climate Assessment track, from rising global greenhouse gas emissions, sea levels, and air and ocean temperatures to more heatwaves, heavy rains, persistent drought in the Southwest, and flooding on the coasts and in Northeast, Pacific Northwest, and Midwest rivers.