The Sierra Club attacked presumptive Republican nominee Donald Trump three times in the last few days with increasingly outlandish rhetoric. The green group’s Tuesday press release attacked Trumps’ “extreme policies which undermine environmental protection and climate action.” The Sierra Club even claimed that if Trump becomes president, the entire planet may be at risk. “If this extremist platform were ever actually implemented, it would imperil clean air and clean water for all Americans,” Khalid Pitts, the political director of The Sierra Club, wrote in the Tuesday press statement. “Donald Trump has vowed to eliminate the Environmental Protection Agency, and now...