Down and Dirty: 5 Ways to Go Seriously Green

There may be something of an "ick" factor to this story -- but some environmental advocates say that's just fine with them. Maybe, they say, it will make people think twice about wasteful ways they never thought about at all. The waste at issue is human waste. Some environmentalists ask why we go to so much trouble to get rid of it -- when, they say, it's full of microbes and nutrients that can be put to good use in farmers' fields as fertilizer. What's more they say, why are people driving... Full Story