Plant may have prompted major shift in ancient climate
(NEWSER) - About 480 million years ago, the planet was a much hotter place—and we have moss to thank for the habitable Earth we enjoy today, research suggests. Back then, 16 times as much carbon dioxide existed in the atmosphere, scientists think. Some 20 million years later, carbon dioxide levels had been cut in half as the planet cooled. It may be a chemical reaction caused by moss that led to the shift, the BBC reports. More»
