Latest Articles
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Why we won't have a green energy revolution without the smart grid
The rise of renewable energy and electric cars will vastly complicate how the power grid operates. That means it's going to have to get a lot smarter.
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Another salmonella egg recall from a DeCoster-related company
He's ba-ack! In fact, he never went away. Most of Jack DeCoster's Iowa egg operations still can't sell fresh eggs to the public, but that hasn't prevented his Ohio operation from getting embroiled in another salmonella recall.
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Remaking school meals in Boulder
In my ongoing quest to find the cutting edge in the nation's chronically under-funded and frequently maligned school meals program, I recently spent a week in Boulder with Renegade Lunch Lady Ann Cooper.
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We need real bike paths for real bike transportation
A recent fatal crash between a cyclist and a pedestrian on the popular Katy Trail in Dallas brings home the message: If we are going to fill the rapidly growing demand for bicycle infrastructure, we need the real thing. Cramming bikes onto serene paths is like putting a superhighway through a schoolyard.
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Climate scientists say enough is enough and mobilize an army
Scientists now realize the facts don't speak for themselves and plan to take on climate change deniers.
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Ask Umbra on how to repair a broken electric toothbrush and other gadgets
Ask Umbra brushes off her handy tools for fixing gadgets -- like a reader's broken Sonicare toothbrush.
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Urbivore’s Dilemma, Weeks 20-22: Cooking strike
I’ve spent very little quality time with the fruits and vegetables from the CSA of late except in their most simple form -- raw. But should I really be trying to eat turnip greens and sweet potatoes uncooked?
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'Sister Wives' is latest reality show to glorify mega-families
TLC made fauxlebrities out of Jon and Kate Gosselin and the Duggar family with its 19 kids. How do you get bigger and weirder than that? Polygamists!
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Watch Sylvia Earle, Fabien Cousteau, Van Jones, others explore plastic pollution and the ocean
Activists, innovators, explorers, and artists are gathering in Los Angeles on November 6 for TEDx:GreatPacificGarbagePatch. It's featuring a day jam-packed with videos and live speeches from a gyre's-worth of famous ocean-lovers and plastic-pollution-haters. Watch the livestream here all day Saturday!
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Turning energy savings in London into solar for Africa
What if turning off the lights in your home or office could help people in Africa turn theirs on?
