This summer, epic storms and fires in the United States provided some worrisome climate signals. Hurricane Harvey produced rains so strong that meteorologists added new colors to their radar maps. Hurricane Irma maintained Category 5 winds for 37 hours, a record for cyclones. The “unprecedented” wildfires in northern California were a product , in part, of the unusually hot and dry summer. As the newly released Fourth National Climate Assessment makes clear, the planet is under siege. I’ve watched these disasters with a sense of dread mixed with outrage. My parents had to evacuate their Santa Rosa retirement community because of the wildfires. Luckily, their home was spared. It was surreal to learn about their plight on the same day that the Trump administration announced the repeal of the Clean Power Plan. Yet the reaction to this repeal has been somewhat muted compared to the attempts to repeal the Affordable Care Act or DACA. If Americans don’t start dealing...