Video We’ve known about the greenhouse effect for nearly 200 years and about global warming for more than a century, but we’ve had a hard time acting because human brains aren’t a good match for a pro...Video We’ve known about the greenhouse effect for nearly 200 years and about global warming for more than a century, but we’ve had a hard time acting because human brains aren’t a good match for a problem this big. Question after watching: What do you already know about the science of climate change? What are you ready to learn more about?
