Summer has begun—which is to say, wildfires in the West are chasing residents from their homes, the snowpack has dwindled to near-record lows in several states, drought is spreading, and temperatures are regularly exploring new heights. Yet America does not seem to be sweating climate change. You could call it “climate hushing,” as Senator Sheldon Whitehouse and others do, or a “worry gap,” as one study has. Whatever you call it, America’s interest in talking about climate change is at an ebb.