A reader wonders if Cali is going to dry up and blow away. Umbra sprinkles a little wisdom on the subject.
A reader wonders if urine will get rid of unwanted weeds. Umbra says, sadly, it's piss poor.
A reader wonders how to suss out a business's eco-cred. Umbra offers a few conversation starters.
Paperbacks? E-readers? None of the above? Umbra knows volumes.
A reader is trying to avoid plastic picnicware. Umbra forks over the goods.
Candles? Curly-Q bulbs? LEDs? What's an eco-minded reader to do? Umbra's answer is brilliant.
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.