Steel, aluminum, titanium, or carbon fiber -- that is the question. Umbra tests the metals.
A reader wants to see the world without wrecking it. Umbra offers a few travel tips.
A reader wonders what to do with the plastic his food comes wrapped in. Umbra says he's bin doing it all wrong.
A reader wants to know the lesser of two coffee evils. Umbra cups the ante.
A reader's spouse is upset by the "if it's yellow, let it mellow" policy. Umbra says hold it right there.
An eco-conscious backpacker wonders what to eat. Umbra goes foraging for answers.
A reader frets that taking long baths may be bad for the planet. Umbra says she's in hot water.
A reader needs help clearing her driveway. Umbra digs deep for an answer.
A reader wonders whether single-serving coffee can be green. Umbra brews up an answer.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.