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.
These students want to green up their study habits. Umbra gives them the Cliffs Notes.
A reader discovers that his credit card company is funding dirty energy. Umbra looks out for the planet's best interest.
A reader is feline unsure about buying a new, fuel-efficient car. Umbra says it's better to make the leap, and she's not lion.
A reader wants to blow off some steam. Umbra says don't waste your energy.
A reader wonders where best to get her sugar fix. Umbra gets granular.
A reader frets that her home entertainment habits may be rubbing the climate the wrong way. Umbra scratches below the surface.