The big deal here is that the PETM (Pleistocene Eocene Thermal Maximum) was a massive ocean extinction event. There was a minor extinction event on land, but the big deal happened in the world’s oceans. The global temperature change was only about five degrees and it was short lived (20,000 years.) What likely happened was,…
Sometimes I read these reports and feel that all is lost. But I also read the reports about atmospheric sequestration and geoengineering. I get to see the scientists’ understanding of what may and what may not be feasible. Then I read the economists’ understanding of the world and climate change as we know it. I…
Dr. Katey Walter, from the University of Fairbanks, sees methane like many climate scientists these days. The warming across the planet is concentrated at the poles because of what is called polar amplification. This means that the Arctic is warming even more than the rest of the Earth. In many places the Arctic has already…
