Windy dinosaurs, particularly sauropods, may have been to blame for the warmer climate that they lived in. Around 150 million years ago, the microscopic organisms living inside large dinosaurs such as Brontosaurus (now known as Apatosaurus louise) would have produced vast amounts of methane gas.
David Wilkinson from Liverpool John Moore’s University said,
“Cows today produce something like 50-100 [million tonnes] per year. Our best estimate for Sauropods is around 520 [million tonnes].”
News source: http://www.bbc.co.uk/nature/17953792
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