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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 beer containers

    Dear Umbra, My friends and I consume a fair amount of beer, and we’re wondering: What’s worse for the environment, buying beer in cans or in bottles? KellyManitoba, Canada Dearest Kelly, Thank you for giving me a reason to look up the Earth’s mineral-reserves map in my atlas. I’ve learned fascinating things about aluminum and […]

  • Umbra on water heaters

    Dear Umbra, I have a question that’s been nagging at me for some time. Since I have a water heater inside my house, any waste heat from the water heater contributes to heating the house. Does it still make sense in terms of energy savings to put an insulating blanket on the water heater? KurtLittleton, […]

  • Umbra on turning down the thermostat

    Dear Umbra, My housemates and I are engaged in an ongoing argument about the heat (gas) in our somewhat old house. I argue that for the minimum eight hours that we are out of the house during the day, we should turn our heat down to at least 62 degrees. They argue that we should […]

  • Umbra on home heating

    Dear Umbra, Can you shed some light (or some warmth) on the most environmentally sound ways to heat one’s home this winter? Natural gas over coal and oil for its lower carbon (and particulate) content? What about fireplaces: good or bad? Would burning gas logs be a good alternative to burning real wood? Thanks for […]