Trump dismantling US climate efforts as warnings grow dire

President Donald Trump speaks to members of the media on Monday before boarding Marine One on the South Lawn of the White House. (AP Photo/Andrew Harnik)

WASHINGTON — President Donald Trump has moved steadily to dismantle Obama administration efforts to rein in coal, oil and gas emissions, even as warnings grow — from his own administration and others — about the devastating impact of climate change on the U.S. economy as well as the Earth.