livestock

"Mother Nature's Son," Sir Paul McCartney, recently expressed his disappointment with environmental NGOs for not putting greater emphasis on reducing meat consumption -- along with driving less and replacing standard light bulbs with CFLs -- as ways to fight climate change.

The Great American Meatout encourages you to give up meat for a day (or more). Here's a look at some of the environmental reasons why that's a good idea.

A look at two of the issues surrounding the recent downer cows debacle.

It's a silent but deadly source of greenhouse gases that contributes more to global warming than the entire world transportation sector, yet politicians almost never discuss it, and environmental lobbyists and other green activist groups seem unaware of its existence.That may be because it's tough to take cow flatulence seriously. But livestock emissions are no joke.