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A reader wonders if he caught his roommate's cold because the dish soap didn't kill the germs. Umbra says suds are nothing to sneeze at.
A reader wonders what can be done with all those grocery bags. Umbra is chock full of good ideas.
A reader frets that there are no eco-friendly toothpaste options. Umbra bristles at the suggestion.
A reader wonders if, when their day comes, organic cows are treated any differently than ordinary ones. Umbra serves up the answer.
A reader wonders what kind of wood creates the cleanest smoke. Umbra says the answer is cut and dried.
A reader wonders if there’s a use for his threadbare scrubbers. Umbra says sponges are all washed up.
A reader wonders if her gray water habit is going to land her in deep trouble. Umbra plunges in.
A reader wonders if those old, inefficient incandescents were actually keeping his flat toasty. Umbra sheds a little light on the subject.