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Past Umbra

  • 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 […]

  • 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 […]

  • 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 […]

  • 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 […]

  • 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, […]