Study: Gassy Dinosaurs Contributed To Global Warming

CBS New York

NEW YORK (CBSNewYork/AP) – The next time you go to see the dinosaurs at the American Museum of Natural History, just be glad you can’t smell ’em.

A new study suggests that dinosaurs may have helped keep an already overheated world warmer with their flatulence and burps 200 million years ago.

The research published Monday in Current Biology suggests that large dinosaurs made a significant contribution to the greenhouse effect back then. Study author David Wilkinson of Liverpool John Moores University in England estimated that about 570 million tons of methane came from dinosaurs. That’s similar to total atmospheric levels of methane today produced by livestock, farming and industry. Cows alone now produce nearly 100 tons a year of methane.

And you thought the subway smelled bad.

The study looks at the biggest — and presumably gassiest — dinosaurs, called sauropods. These were the long-necked plant eaters that munched…

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