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Past Umbra

  • Umbra on burning trash

    Dear Umbra, We recycle and compost as best we can, but we are still left every week with some trash. Up to this point we’ve dutifully hauled it to the […]

  • Umbra on eco-choices

    Dear Umbra, While I usually love your column, I have to take issue with encouraging people to eat sushi. This is the second “green” site I have seen that proposes […]

  • Umbra on the promise of ethanol

    Dear Umbra, Lately I’ve been struggling with the idea of ethanol as a green fuel. It seems to be getting a lot of attention in the government and media, and […]

  • Umbra on peak oil

    Dear Umbra, I have recently been alerted to what many people term “peak oil.” I don’t know how to characterize my feelings regarding this subject. Obsession might be a good […]

  • Umbra on sustainable sushi

    Dear Umbra, My wife and I love sushi, but we’re increasingly concerned about sustainable harvesting. Although we treat ourselves to sushi only once or twice a month, it adds up, […]