Ask Umbra
Grist’s destination for advice on life during climate change. Est. 2002
Past Umbra
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Umbra on crows
Dear Umbra, Is there a national increase in the crow population, or am I just noticing them more as I age? JimLa Jolla, Calif. Dearest Jim, Probably both. I’ll wager that you have become more observant as the years pass, but it’s also the case that, according to various bird counts and surveys, the American […]
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Umbra on ground-level ozone
Dear Umbra, Where I live, the air is declared “unhealthful” on many days in the summer due to ground-level ozone pollution. On those days, we have to stay inside until after about 3 p.m. My question is: What causes ground-level ozone to form and what are its reported health effects on adults and children? DeanBakersfield, […]
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Umbra on killing your lawn
Dear Umbra, I just moved into a house with a large backyard. I would like to xeriscape 90 percent of it, but I must first learn how to kill and remove the grass. I’m not a fan of chemicals and would like to find an alternate solution. Most of the yard is very, very brown […]
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Umbra on forest fires
Dear Umbra, My husband says that Rush is blaming the Sierra Club for the huge forest fires raging in Colorado and Arizona. He says that because environmentalists oppose logging, the forest is too full of fuel. I told him that as far as I know, the Sierra Club is really trying to prevent logging in […]
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Umbra on flushing medications
Dear Umbra, I work with a number of older women who try to be environmentally conscientious. When it comes to discarding outdated medications though, there seems to be conflicting advice. Medical doctors tell me that all such medicines should be flushed down the toilet. Water resource people say, don’t flush, because all those discarded medicines […]
