A reader wonders about clean-burning, efficient fireplace fuels. Umbra gets the specs on wood, propane, natural gas, and electric -- and she's just getting warmed up.
A reader wants to drink alcohol without hurting the environment. Umbra bears with him.
A reader wonders if her green thumb has to go for the sake of saving water. Umbra says she can grow her kale and eat it, too.
A reader frets that her employer runs the sprinklers non-stop. Umbra says over-watering is a total turnoff.
A reader wonders if he should bust out the scrub brush. Umbra says he'd be nutella not to.
A reader wonders whether to go with liquid or powder. Umbra gives him the straight scoop.
A reader tries to ease his bottled-water guilt by using the bottle more than once. Umbra tells him to put a cork in it.
A reader kicks the tires on neighborhood electric vehicles. Umbra gets supercharged.
A reader wonders if it's really safe to wash his paint brushes in the sink. Umbra gives him the three-bucket challenge.
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