Climate Technology
All Stories
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How EPA helps big corporations greenwash
EPA's Green Power Partnership, which recognizes companies using renewable energy, makes Walmart look good while ignoring more significant efforts by much smaller entities.
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A battery large enough to power the U.S. would be the size of 2,200 Walmart SuperCenters
Renewables are intermittent, so they'd have to be backed up by about 80 gigawatts worth of batteries.
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DOE-funded battery breakthrough to halve cost, triple range
A new breakthrough from California-based Envia Systems will yield lithium-ion batteries that are less than half the cost of current cells, while also having three times the energy density.
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LEGO buys $500 million worth of wind turbines
The world's third-largest toy manufacturer is going to be putting "made with wind power" labels on all those boxes of LEGOs, and not just because they bought their power from utilities with wind turbines.
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The best of the U.S. Army’s ‘Going Green’ Pinterest
Who says Pinterest is just for fashion and cupcakes?
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One Million Lights trades kerosene for solar in developing countries
For kids in developing countries, it’s crucial to have a reliable light source — otherwise you can’t see to read or do your homework. But many homes and villages don’t have electric light, and the cheapest alternative — kerosene — is an environmental nightmare on both large and small scales. It pollutes the environment at […]
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Map shows avalanche of cellulosic ethanol projects on the way
In the battle between food and fuel, cellulosic ethanol might not be a great idea or even a viable solution to our energy woes, but enzyme company Novozymes says it's coming, regardless.
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Suck it, Gingrich, you CAN put a gun rack on a Chevy Volt
At a campaign event in Georgia, Newt Gingrich told supporters that he would maaaaaagically lower gas prices because “you can’t put a gun rack on a Volt.” Shows what the hell he knows.
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In Germany, solar will be as cheap as conventional electricity by 2013
"Grid parity" has arrived in parts of sunny California and Hawaii, and it's coming to (not-so-sunny) Germany by 2013.
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Ask Umbra: What’s the greenest business card?
A reader wonders how to network sustainably. Umbra consults the cards.
