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  • Umbra on watering the yard

    Dear Umbra, Thanks for your good advice about water conservation. You failed to mention the largest (unnecessary) water user in most U.S. homes: outdoor plant watering. While Grist readers may be eco-wise enough not to water their plants, nor even entertain the possibility of managing a green lawn, there may still be a few closet […]

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  • Umbra on home heating

    Hi Umbra, My fiancée and I bought a house in October. We plan to green the house up as best we can, and one of our first projects will be how we heat the house. Since we didn’t have any money after buying, we had to limp through this winter with an oil-powered steam boiler […]

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  • Umbra on baby gifts

    The first step is to know what you want.

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  • Umbra on water conservation

    Dear Umbra, Your general drift has been to get us to focus on the big stuff instead of the little paper-or-plastic issues. So what’s the big picture of household water use and overuse? I have a clothes washer and a dishwasher, I wash dishes in the sink, I take showers and flush every time I […]

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  • Umbra on peeing in the shower

    Dear Umbra, Is it suitable to justify peeing (urinating) while showering in order to save a toilet flush? Any health issues to your feet or shower algae growth? Luke WhistlerBrisbane, Australia Dearest Luke, If I told you that my editor picked not only this question, but also the previous question about organic likker, what would […]

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  • Umbra on insulation, again

    Dear Umbra, You’re wrong, you can blow in insulation yourself. At every Home Depot I’ve been to, you can buy either fiberglass loose-fill insulation or cellulose loose-fill insulation, and you can also rent the machine that you use to blow it into the attic. Sometimes, if you purchase enough insulation, you can rent the machine […]

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  • Umbra on boiling water for tea

    Dear Umbra, My roommates seem to be constantly boiling water for tea. We’ve got a gas stove, a microwave, and an electric teakettle. However, we don’t know which option is most efficient. Any ideas? Kate R.Syracuse, N.Y. Dearest Kate, Idears-R-Me, and microwaved tea is nasty. Nas-tea, I suppose I must say, if I wish my […]

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  • Umbra on air quality and temperature

    Dear Umbra, Is there a relationship between air quality and temperature? I thought about this on my bike ride to work this morning when the smell of exhaust from cars seemed more potent, and the fumes were certainly more visible in the 32-degree air. I know that air quality in Los Angeles is worse during […]

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  • Umbra on trusting scientists

    Hi Umbra, We’ve had some bizarre weather in New England, and more and more people are wondering if it’s due to global warming. On NBC News, they had a 30-year veteran of NOAA state flatly that it’s not global warming, it’s El Niño. As a greenie/leftie I got angry, thinking here goes the MSM denying […]

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  • Umbra on tree planting

    Dear Umbra, My wife recently heard a program on NPR where an expert on global warming said that planting trees in the Northern Hemisphere plays a negligible role in fighting global warming, while playing a significant role in the Southern Hemisphere. Do you have any light to shed on this? Randy Cunningham, Confused Tree-Hugger Cleveland, […]

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