Katharine Hayhoe: We have never seen climate changing this quickly

Davos 2024 - Katharine Hayhoe, climate scientist: "Looking back at the paleo climate history of the planet, we have never seen climate changing this quickly. We've never seen this much carbon going to the atmosphere and as a result temperatures changing faster than humans have ever observed during our very short civilization. And so by definition we're looking at things we've never seen before..."