Want a super-easy way to tout your eco-friendliness to the world? Stop using those plastic produce bags at the grocery store.

"When a piece of heavy equipment backs up, it goes 'beep, beep, beep,' and everybody knows what it means." Thus speaks Nancy Gioia, Ford's director of global electrification, about a growing controversy over whether electric vehicles (EVs) should emit sounds to let the blind and other pedestrians know they're on the scene. She thinks those sounds should be standardized, so you'll think "something heavy this way comes" when you hear it.

Ever wonder what happens to a billboard after it's been taken down? Assumed they just wound up in a landfill?

The details of plastic bagdom are ever in flux. Cities are trying to ban them. Stores are giving people money to not use them.

Q: Every day my baby spits up all over my clothes, rendering them unwearable until they make a trip to the dry cleaner. Lately, I've been seeing organic dry cleaners pop up all over town, so I'm thinking of trying that. Are these dry cleaners truly better for me, for my baby and for the environment or is it all a hoax?

In the early 80s, while in graduate school and on a very tight budget, I read a book about living more simply. One of the things it suggested was to use cloth napkins instead of paper.

As president of HitchSource.com, a company that ships heavy stuff like trailer hitches, bike racks and RV accessories, Ken Whiteman was concerned about the carbon footprint of those shipments.

Two things happen this time of year to put me in the mood for Rhone wine: the change of weather and receiving my annual lamb order from the butcher.

Are they looking out for the environment, trying to attract attention or just compensating for not riding their bikes enough as kids? Whatever the case, people are taking to the streets in new and unusual means of transit. An examination.

Buried in the controversy over whether to get the H1N1 vaccination (or even where to find one), is that one of the best ways to ward off any flu is to build up your overall immunity. Dave Grotto, author of "101 Foods That Could Save Your Life," reveals 10 foods that provide top doses of the vitamins and nutrients you need to protect and defend against illness.