US President Donald Trump salutes his supporters after speaking at a political rally at Charleston Civic Center in Charleston, West Virginia on August 21, 2018. - Trump's administration announced a plan on August 21 to weaken regulations on US coal plants, giving a boost to an industry that former leader Barack Obama had hoped to wind down in order to cut harmful emissions that drive global warming. (Photo by MANDEL NGAN / AFP) (Photo credit should read MANDEL NGAN/AFP via Getty Images)
