Robert E. Murray, the former chairman of Murray Energy, gave nearly $1 million to climate denial groups and other organizations seeking to undo environmental regulations.
A bankruptcy filing by Murray Energy reveals its dark-money contributions to lobbying organizations trying to halt lawsuits and discredit climate science.
California is warning the Trump administration to forget about its plan to unleash on the freeways a unique class of trucks spewing as much as 400 times the choking soot as conventional new big rigs.