Posts Tagged ‘Ancient Snail Shells Hint at Future Global Warming’

Ancient Snail Shells Hint at Future Global Warming

A major global cooling event 34 million years ago chilled land as well as sea, according to climate clues found in an unusual place: fossil snail shells. The new research, published on April 22 in the journal Proceedings of the National Academy of Sciences, reveals the historical links between carbon dioxide in the atmosphere and […]