solid waste treatment and disposal
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A controversial New Orleans landfill is set to close, but eco-disaster still looms
The logistics of cleaning up New Orleans in the wake of Hurricane Katrina are almost beyond comprehension. Louisiana’s Department of Environmental Quality says some 15,000 houses are slated to be torn down, and demolition is the likely fate of 80,000 more. As a result, DEQ estimates, the city will ultimately truck off and dispose of […]
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Umbra on composting toilets, again
Dear Umbra, I’m attempting to “green” my home, room by room. I’ve heard of low-flow toilets, but someone just told me about composting toilets. Do they smell bad? Will my grandmother use it or ask for an outhouse? Thanks for your wisdom! MoiraProvidence, R.I. Dearest Moira, Excellent, manageable room-by-room plan. What in tarnation?! Composting toilets […]
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In Garbage Land, Elizabeth Royte talks dirty
Garbage Land: On the Secret Trail of Trash by Elizabeth Royte, Little Brown and Co., 320 pgs., 2005. Our soda man delivers. He comes bounding up the steps, easily cradling an ancient-looking wooden crate under one arm. The contents are 24 seven-ounce bottles of cola and birch beer, for which we hand him $7, and […]
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Stats on how far we’ve come (or haven’t) since the first Earth Day
3.7 billion — world population in 19701 6.4 billion — world population in 20051 1,535 billion — kilowatt-hours of electricity used in the U.S. in 19702 3,837 billion — kilowatt-hours of electricity expected to be used in the U.S. in 20053 6.0 — percentage of electricity in U.S. consumed in 1970 produced from renewable sources4 […]
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EPA plan would spew under-treated sewage into U.S. waterways
Like clean water? Then you’ll love Rep. Bart Stupak. Swimming in sewage just isn’t this fun. For the last year, Stupak has been fighting a U.S. EPA proposal that would allow inadequately treated sewage to be “blended” with fully treated waste during rain and snow events. The messy mix would then be released into the […]
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Umbra on doggie-doo bags
Dear Umbra, For years, I faithfully brought my canvas bags to the grocery store, leaving plastic bags for the environmentally uninformed. A few months ago, though, I adopted a dog, and I now find myself with a dilemma. I need to pick up all of his solid excrement, and having no compost or any other […]
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Answers about thermal depolymerization
Dear Umbra, What is thermal depolymerization? AnnFreehold, N.J. Dearest Ann, A polymer is a large group of linked molecules. We’re made of polymers such as protein, eat polymers such as starch, and wear polymers such as leather and nylon. Thermal depolymerization is a heat-driven process that breaks down or transforms polymers into the shorter chains […]
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Umbra on the benefits of recycling
Dear Umbra, Some time ago, the public radio program This American Life, hosted by Ira Glass, was about recycling. Glass reported, “Experts agree that we have plenty of landfill space for the foreseeable future.” He proposed that recycling therefore did little more than make us feel good. The hapless person he interviewed came up with […]
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Umbra on diaperless parenting
Dear Umbra, I have a baby on the way. Due to prodding by my wife, I have begun to think about things such as diapers. Babies make a lot of boom-boom, and wrapping it all up in a bundle of plastic diaperness, tossing that in a plastic sack, and then tossing the lot in a […]