A few weeks after President Donald Trump moved into the White House, he received a memo from one of his biggest campaign donors: Robert Murray, the CEO of Murray Energy, America’s largest private coal company. Emblazoned with the words “Action Plan,” it was essentially a wish list of all the environmental regulations Murray wanted Trump to get rid of.

Since taking office in February, Mr. Trump’s E.P.A. chief has held back-to-back meetings, briefing sessions and speaking engagements almost daily with top corporate executives and lobbyists from all the major economic sectors that he regulates — and almost no meetings with  environmental groups or consumer or public health advocates, according to a 320-page accounting of his daily schedule from February through May, the most detailed look yet at what Mr. Pruitt has been up to since he took over the agency.