Raising a global stink

Activists target methane gas from, um, cows

By Michael Hawthorne |Chicago Tribune reporter

3:35 PM CDT, July 31, 2008

Burgeoning efforts to curb global-warming pollution are taking aim at an unlikely new target: the placid, cud-chewing cow.

Scientists have long known that cattle and other livestock are a major contributor to climate change worldwide, and although researchers, regulators and activists have devoted most of their attention to other culprits—such as cars and coal-fired power plants—that is starting to change.

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