Climate Change over the past 4000 Years

By Andy May I last wrote about Climate Change and Civilization for the past 4,000 Years in 2016. Since then, a lot has changed, and I’ve learned a lot more about the subject. First, we learned that various air and sea temperature proxies, such as ice core δ18O or tree rings, are all different. ForContinue reading “Climate Change over the past 4000 Years”