Scientists are learning about how previous warm periods altered sea levels, and what that past may tell us about the future. (science.sciencemag.org)
As the authors of this paper note, declines in the polar bear population likely recurred through previous warming periods, leading to bottlenecks, including the one that likely preceded the hybridization event with grizzly bears. (dotearth.blogs.nytimes.com)
Moreover, the government climate change fearmongers finally discovered that the Earth has been the site of previous warming periods, all without any help from humanity. (judithcurry.com)