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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 bicycle commuting

    Dear Umbra, My question regards my daily half-hour (each way) bicycle commute through fairly heavy city traffic. I’ve been wondering if the benefits (exercise, sunshine, free and fast transport) are outweighed by the negatives (primarily breathing in diesel and other exhaust, but I’d also throw in the risk of almost getting run over, despite the […]

  • Umbra on kitty litter

    Dear Umbra, I recently adopted a cat, and I am having a hard time deciding what to do with the kitty litter. Is there some kind of green litter that is best to use? Anything flushable and sewage-tank friendly? Or, can I compost the litter — and what should I use to cover it up […]

  • Ask Umbra on autumn leaves

    With summer slinking away and fall breezing in, Grist advice maven Umbra Fisk offers eco-advice for dealing with autumn leaves.

  • Umbra on speed limits

    Dear Umbra, I was babbling about the ’70s energy crisis, gas rationing, and the nationwide 55 mile-per-hour speed limit at work the other day, and found myself explaining to a group of younger people how you save gas if you drive slower. They had never heard such a thing! Could you refresh my memory about […]