Katharine Mach

"So much rain has fallen," the National Weather Service tweeted about Harvey on Monday, "we've had to update the color charts on our graphics in order to effectively map it."

Harvey may have caught Texas by surprise, but other places have been getting ready for more extreme weather

August 29, 2017Science

Climate change is bringing more extreme weather to just about every corner of the globe. Some places are getting ready, some aren’t. And the difference isn’t just about money.