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  • Umbra on used soap

    Dear Umbra, At a gym I go to, lots of guys pick up bars of soap, use them for two minutes, and then leave them (even though there is a liquid soap dispenser in the showers). Is there any good use for several pounds of partially used soap per day? DennisSeattle, Wash. Dearest Dennis, I […]

  • 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 […]

  • Umbra on corpses

    Dear Umbra, What’s the greenest method of disposing of one’s corpse? I’m just dying to know. BuchachaAustin, Texas Dearest Buchacha, You are not the only one thinking of the Great Green Beyond; there are more choices about the fate of your corpse than you might imagine. Let’s start with the traditional options: Cremation is greener […]

  • Umbra on candles

    Dear Umbra, Recently, nature-conscious religions such as Paganism and Wicca are getting a lot of attention. This is a mixed blessing. On the one hand, such religions inspire love for the environment and have spawned many eco-nuts (myself included, I admit). However, although most of the common practices seem to be eco-friendly enough, I’m concerned […]

  • Umbra on water conservation

    Dearest Umbra, How can I convince friends to conserve water? I write a column for my church newsletter to encourage responsible environmental practices by church members. One member said recently that he doesn’t see any need to conserve water personally; given that our area has plenty of water, why should he turn off the tap […]

  • 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, […]

  • Advice on converting to biodiesel

    Umbra, I own a diesel VW Golf, which I bought thinking it was a better choice for the environment than a gasoline engine. Therefore, I was disappointed to read your message that diesel is probably a worse choice. However, you didn’t talk at all about biodiesel. Can you give us a rundown on this fuel […]

  • Umbra on environmentally friendly communities, again

    Dearest Readers, In my last column, I received a plea from James “Captain Planet” Fitzpatrick of Florida, a firefighter looking to relocate to a small, friendly, environmentally conscious mountain community with good schools, reasonably clean air and water, and no polluting companies or toxic waste sites. As this was obviously a job for discerning Grist […]

  • 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 […]