Skip to content
Grist home
Support nonprofit news

Articles by Ask Umbra®

The New York Times calls Umbra Fisk "a trailblazer in the field of eco-advice columnists" and "the arch online sage of the new green age." Her latest passion: kale smoothies ... no, sorry, civic engagement, because getting political is the only way we'll get a planet that doesn't burn and a future that doesn't suck. Ask Umbra a question here.

All Articles

  • Umbra on coffee

    Dear Umbra, I am a seriously indulgent coffee drinker. Lately, there have been a ton of “green” coffee shops popping up. I like to support local coffee shops, and I want to believe that they are “shade-grown, fair-trade, organic,” but I’ve wondered if they are being honest. How do I know if they are legit? […]

  • Umbra on waiting for warm water

    Dear Umbra, You know how, when you turn on the hot water in an old building, it usually takes a while for it to kick in? Well, my question is, if I turn on the tap full blast, will the hot water come sooner? Is it the amount of water you let run, or the […]

  • Umbra on diesel vs. standard gasoline cars

    Dear Umbra, I’ve always heard bad things about diesel fuel. However, I know someone who has a diesel VW that gets 50 miles to the gallon. I’m wondering if you could do a cost-benefit analysis for me. I know I can’t afford a hybrid anytime soon, and was wondering if it would be better to […]

  • Umbra on bicycle commuting, again

    Dear Umbra, So what about bike commuting? Is it safe? Is it good? Is it encouraged? P.K. BorzoSt. Paul, Minn. Dearest P.K., Yes, yes, yes. Lungwise, biking is at least as safe as driving, if not more so. It’s true, as many readers pointed out after my previous column, that we breathe more heavily when […]