Ask Umbra
Grist’s destination for advice on life during climate change. Est. 2002
Past Umbra
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Umbra on personal fans
Dear Umbra, So the weather is turning hot again. I got my electric fans out of the closet. On the back of these, there are no indications of what amount […]
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Umbra on ethanol
Dear Umbra, I’m a little amazed by all the bandwagon-jumping going on over E85 ethanol. I wonder if a corn-based fuel can be sustainable over the long term, given the […]
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Umbra on canola oil
Dear Umbra, I recently saw “organic canola oil” on a salad dressing bottle. I looked up the origin of canola oil, and it looks like it is a genetic modification […]
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Umbra on herbicides and lawns
Dear Umbra, My husband just spread some very toxic weed-killer on our lawn, and I told him there must be a safer way to get rid of weeds. Our children […]
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Umbra on herbicides
Dear Umbra, How do herbicides (organic, if such exist, or non-organic) work? David Burch South Bend, Ind. Dearest David, Herbicides are considered a subcategory of pesticides, for all you confused […]
