BILLINGS, Mont. (AP) — U.S. officials improperly downplayed the climate change effects from burning coal when they approved a large expansion of an underground Montana coal mine that would release an estimated 190 million tons of greenhouse gasses into the atmosphere, a court ruled. The 9th U.S. Circuit Court of Appeals said in a 2-1 ruling that Interior Department officials “hid the ball” during the Trump administration, by failing to fully account for emissions from burning the fuel in a 2018 environmental analysis. A judge previously ruled against the disputed expansion of Signal Peak Energy’s Bull Mountain mine in 2017,...