A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But ...

Methane is a powerful greenhouse gas that is second only to carbon dioxide in driving up global temperatures. But it doesn't ...

Add Yahoo as a preferred source to see more of our stories on Google. A single cow raised for meat produces between 154 and 264 pounds of methane per year, according to the U.S. Environmental ...

While there are many different points of view in the climate world, most agree that carbon emissions are a key contributor to climate change. Where the disagreements occur is when the conversation ...