Years ago, astronomy professors started noticing something that troubled them: Many of their students didn't understand climate change and the science supporting it. So a small group of professors decided to do something about it — teach climate change in their introductory astronomy courses. *Want to hear more stories about climate change? Email us at [email protected]) — we'd love to hear from you!*Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)