Monday, July 9, 2007

Move to cut methane emissions by changing cows' diet

Burping cows and sheep are being targeted by UK scientists to help bring down Britain's soaring levels of greenhouse gas pollution. Experts say the diet of farm animals can be changed to make them produce less methane, a more potent global warming gas than carbon dioxide. Ruminant animals are thought to be responsible for up to a quarter of "man-made" methane emissions worldwide though, contrary to common belief, most gas emerges from their front, not rear, ends.

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