I wasn’t worried about climate change. Now I am.

Want to restore the planet’s ecosystems and see your impact in monthly videos? The first 200 people to join Planet Wild with my code will get the first month for free at If you want to get to know them better first, check out their latest video: How 3 Dogs Saved 100,000 Turtles In this video I explain what climate sensitivity is and why it is important. Climate sensitivity is a number that roughly speaking tells us how fast climate change will get worse. A few years ago, after various software improvements, a bunch of climate models began having a much higher climate sensitivity than previously. Climate scientists have come up with reasons for why to ignore this. I think it’s a bad idea to ignore this. The quiz for this video is here: 🤓 Check out our new quiz app ➜