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Past Umbra

  • Umbra on electric cars

    Dearest Umbra, Why are electric cars considered so great? They don’t pollute the air where they are driven. But certainly when they are plugged in they use energy from a power plant, which does pollute and also contributes to global warming. Doesn’t this just move the pollution from one area to another? Then you have […]

  • Umbra on carpooling to a reunion

    Dear Umbra, You have told us, in no uncertain terms, that traveling by train is better ecologically than traveling by car. Several members of my family plan to carpool to an upcoming family reunion 600 miles away. I have considered trying to talk them into taking the train instead, but face the following problem: It […]

  • Umbra on running and pollutants

    Dear Umbra, I am a runner, and in the summertime it is difficult for me to run during the day because of the heat. Unfortunately, it’s a no-no for me to run in green spaces late at night because they are dark, deserted, and thus quite unsafe. So this leaves me the option of running […]

  • Umbra on car trade-ins

    Dear Umbra, I’m the not-so-proud owner of an 18-year-old Honda Civic — great car in that it gets 39 mpg, has a decent amount of zip, and generally runs well. However, it needs some mechanical work, the paint and some of the upholstery are shot, and the AC runs on Freon. I’ve reached the point […]

  • Umbra on CFL recycling

    Dear Umbra, So what happens to compact fluorescent light bulbs in the hands of the “hazardous-waste people”? Is the mercury reclaimed and reused, or merely hidden “away” (wherever that is)? John GearLansing, Mich. Dearest John, Great question, because why should we add to the substantial mercury problem we already face? A few disillusioned readers have […]