Global warming 56 million years ago holds lessons for climate change today - CBS News

CBS News
Global warming 56 million years ago holds lessons for climate change today
CBS News
There may be hope for the planet after all. A new study has found that atmospheric conditions on Earth about 56 million years ago were similar in many ways to increasing warming that is seen today. The good news is that most species back then survived the ...
Earth's Future? Ancient Warming Gives Ominous Peek at Climate ChangeNBCNews.com
Greenhouse emissions similar to today's may have trig