Science commentator Bill Nye had some choice words about the need for urgent action to combat global warming. On "Last Week Tonight With John Oliver" on Sunday, after the host discussed the Green New Deal, Nye demonstrated an experiment that was different from his usual more staid fare. Appearing in a lab coat and donning safety glasses, Nye opined "when something costs more, people buy less of it," in reference to a possible carbon tax that's been floated by politicians as a way to mitigate climate change. ..." “By the end of this century, if emissions keep rising, the average temperature...