Tag Archives: discovery

Could Subway Trains Generate Power with Regenerative Braking?

Photo: Flickr , CC Could Save Millions of Dollars Per Year Vehicles without regenerative braking are throwing away a lot of energy every time they brake (movement is converted into heat via friction on the brake pads). Hybrid and electric car address that problem by capturing as much of that energy as possible and converting it into electricity, and the same might be about to happen to subway trains with the added twist that it would be tied to the (smart) power grid. The Southeastern Pennsylvania Transportation Authority (SEPT… Read the full story on TreeHugger

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Could Subway Trains Generate Power with Regenerative Braking?

Green Fashion at Mercedes-Benz Fashion Week in New York: Ancient Uzbek Fabrics, Bark Belts, and More (Slideshow)

GULI Collection, Spring 2011 at Mercedes-Benz Fashion Week. Credit: Emma Grady New York Fashion’s Week ‘s GreenShows have yet to begin and I have already been pounding the pavement attending runway shows and presentations in search of up-and-coming green designers and for hints that more sustainable processes have begun to permeate mainstream fashion. Like de… Read the full story on TreeHugger

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Green Fashion at Mercedes-Benz Fashion Week in New York: Ancient Uzbek Fabrics, Bark Belts, and More (Slideshow)

Armoire Dressed In Fallen Birch Skin: Sawkille Co.

Photo: Chris Kendall via The New York Times Gleaming like arboreal wayfinders on a dark night, birches are trees that definitely stand out from the forest crowd. Their bark was traditionally used as paper and has medicinal properties, so it’s not too far a stretch to see them utilized in a decorative sense too, like in this gorgeous birch-skinned armoire by Rhinebeck, NY-based furniture designers Sawkille Co…. Read the full story on TreeHugger

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Armoire Dressed In Fallen Birch Skin: Sawkille Co.

Was Obama’s Choice to Pass on Climate a "Blunder of Historic Proportions"?

Photo via NY Mag Earlier in the week, I looked at a hypothetical scenario laid out by columnist David Brooks in which he imagined Obama and the Democrats had gone forward with an energy bill instead of doing health care reform. Joe Romm of Climate Progress had looked at the same scenario, and commented in the end that “”Future ge… Read the full story on TreeHugger

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Was Obama’s Choice to Pass on Climate a "Blunder of Historic Proportions"?

Wildlife Trapped by Global Biodiversity Surveillance System (Photos)

Only an estimated 3,200 tigers remain in the wild worldwide. Image credit: Wildlife Conservation Society Worldwide, the loss of biodiversity has reached an alarming rate—one that many have compared to the greatest mass extinctions in the planet’s history . Unfortunately, assessing the problem is not easy; most biodiversity studies are forced to rely on secondary and retrospective data. To fill this gap, the

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Wildlife Trapped by Global Biodiversity Surveillance System (Photos)

PETA Butter and Jelly Sandwich, Anyone?

Image via Ecorazzi In a further effort to provide animal-cruelty-free food options to consumers, PETA slapped their logo on a jar of peanut butter to remind eaters that yes, there are well-loved vegan options for lunch. They didn’t however, slap their logo on any vegan-friendly bread, the more obvious area where consumers would need help quickly eyeballing options that are animal product-free. What is PETA up to with this new label?… Read the full story on TreeHugger

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PETA Butter and Jelly Sandwich, Anyone?

House-in-a-Can Recycles Grain Silos Into Housing

All images via Austin-Mergold Grain silos, made from corrugated and galvanized steel, are among the cheapest and most efficient enclosures one can buy; that’s why Bucky Fuller played with them during World War II, with his Dymaxion Deployment Units. Updating the idea, Geoff Manaugh of BLDGBLOG brings us Austin + Mergold’s House-In-A-Can , recycling these grain s… Read the full story on TreeHugger

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House-in-a-Can Recycles Grain Silos Into Housing

"Climate Moms" Juggle Career, Kids and the Threat of Catastrophe

Image credit: DorkyMom I’ve asked before why, with all the potential misery and danger in the world, do eco-activists still have children . But then I’ve also declared that disasterbation turns you blind , and I’ve even started out on my own path to being a new green dad . There’s no doubt, however, that knowing what we know about cli… Read the full story on TreeHugger

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"Climate Moms" Juggle Career, Kids and the Threat of Catastrophe

The Great Chinese Clean Energy Export Scandal

Photo via the WSJ The biggest story to break in the clean energy world in the last few days is certainly the allegation that China is breaking World Trade Organization rules by unfairly subsidizing its exports of renewable energy equipment and materials. An American union, the United Steelworkers, has filed a legal case… Read the full story on TreeHugger

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The Great Chinese Clean Energy Export Scandal

Today on Planet 100: Robots to the Rescue (Video)

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Today on Planet 100: Robots to the Rescue (Video)