The surging, post-pandemic U.S. economy is driving an unexpected boom in coal, the latest sign that demand for the dirtiest fossil fuel remains resilient. American coal production this year will swell 15% to meet stronger demand for electricity at home and abroad, according to the U.S. Energy Department’s July outlook. That would be the most since at least 1990 and nearly double the 8% increase projected in May, when the economic rebound was still in earlier stages of recovery. The shift underscores the vicious circle of climate change as more extreme temperatures drive power demand just as extensive drought cuts output from hydropower dams. That prompts utilities to burn more of the dirtiest fossil fuel, a pattern also exacerbated by high natural gas prices. At the same time, key exporters including Australia and Colombia face supply problems that have helped lift global prices to a 10-year high and added […]