Dinosaurs' Gas May Have Warmed the Air

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Dinosaurs may have spewed so much methane into the air that it could have affected the climate of their primordial era, when global temperatures were twice as high as today, scientists reported Monday. Robert Lee Hotz has details on The News Hub. Photo: AP.    Copyright 2012, Dow Jones & Company, Inc.

Dinosaurs' Gas May Have Warmed the Air official