Unprecedented hurricanes brought torrential rain and wind that devastated many parts of southeastern Texas and Florida. Monsoon flooding inundated entire neighborhoods in India, Bangladesh and Nepal. And wildfires blazed across the Western US.While millions of people deal with the aftermath of these disasters, US EPA head Scott Pruitt told CNN that now was not the time to discuss the role of climate change in these extreme weather patterns. But Katharine Mach and Miyuki Hino, climate scientists at Stanford University, disagree.