You've finally realized the evils of the plastic water bottle and got yourself a stainless steel one. But is it really better? This piece in the Opinion section of The New York Times by Daniel Goleman and Gregory Norris breaks it down for ya via a cool illustration and specific details on manufacturing and usage.
The bottom line: just how "green" a product is often comes down to where we get it, how we use it and how we dispose of it. The Goleman and Norris's final suggestion: