By Eric Holthaus, Grist
Back-to-back hurricane catastrophes have plunged the United States into a state of national crisis. We’ve already seen one worst-case scenario in Texas: For the moment, Hurricane Harvey stands as the most costly natural disaster in U.S. history. And now there’s Irma, which has wreaked havoc across the entirety of Florida, America’s most vulnerable state. In just two weeks, the U.S. could rack up hundreds of billions of dollars in losses. Make no mistake: These storms weren’t natural.