If you've been reading the news lately -- or simply walking the streets of Middle America -- you'll have noticed that many of us are getting a little chubby. Make that a lot chubby. Even downright obese. So the huge popularity of low-carb diets like Atkins can only be a good thing, right? Not so fast: Since most low-carbers turn primarily to meat to fill their shrinking bellies, the more this dietary fad catches on, the more meat must be produced. Producing more meat, all good enviros know, means more overgrazing, more pollution from feedlots and slaughterhouses, more forestland cleared for pasture and the growing of grains, more pesticides and fertilizers used on those grain fields, and so on and so forth. Get the word on what the Atkins diet craze could mean for the planet -- today on the Grist Magazine website.