@CNN: European colonizers killed so many Native Americans that it changed the global climate, researchers say https://t.co/jXNCWvmzpZ https://t.co/TGWstW1ceN
European colonizers killed so many Native Americans that it changed the global climate, researchers say https://t.co/jXNCWvmzpZ pic.twitter.com/TGWstW1ceN
— CNN (@CNN) February 2, 2019