 On the next Living on Earth, tips from the CDC to help you stay safe on hotter, more dangerous days. We have a mantra, stay cool, stay hydrated, know the symptoms. If you think you're staying cool and you're trying to stay hydrated, but your body's telling you things, you need to listen. I'm Ainsley O'Neill. Extreme heat and climate change, next time on Living on Earth from PRX. Monday evening at 7 on KWC, 88.9 FM.