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This City's Christmas Tree Lights Will Go Off Unless 15 People Ride Bikes
I always feel warm and fuzzy when the Christmas tree gets put up, but it's definitely not because I'm sweating from pedaling bikes to keep the decorations glowing. I'll leave that to these crazy folks in Copenhagen. More »"A Drop of Water" Watering Can Collects Rain
Bas Van Der Veer won a prize this weekend for this combination rain collector and watering can. More »No Cars Allowed On The Eco-Friendly Kurilpa Bridge
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It looks like a modded Roomba, but this prototype Automatic Aluminum Can Crusher will save you many forehead aches. It's BYOC (bring your own cans) with a long-lasting rechargeable battery and lotsa crunching sounds included every time you recycle. More »Forget Silicon, This Teenager's Solar Panel Uses Human Hair as a Conductor
If eighteen-year-old Milan Karki doesn't turn out to be the next Tesla or Edison, then I'll chop off my locks. This kid invented a solar panel which uses human hair as a conductor and could solve an energy crisis. More »South Korea Building Self-Sufficient Super-City at What Cost?
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As you can see form the picture, this is no ordinary paddle boat. In fact, when the exhilarating water fun is over, there's no need to disembark. Just hit a switch and drive home. More »The Intelligent Hose Keeps Your Wasteful Ways in Check
We all know that washing cars, watering lawns and impromptu wet t-shirt contests mean bigger utility bills at the end of the month. That is why designers are putting consumption meters on everything these days—including this intelligent hose concept. More »Loowatt: The Benefits Of Pooping In a Toilet Made From Poop
Well, if you are going to make something from poop, it might as well be a toilet right? That's the idea behind the Loowatt waterless toilet system. The problem is, we have a poop and forget mentality in this country. More »Samsung Crest E1107 Solar Cellphone: Sun-Powered, Dirt Cheap At $59
Samsung has announced it's first solar powered GSM cellphone, the Crest E1107, for eco-friendly, budget conscious types that don't seem to be concerned with practicality. More »The Power Pump Charges Your Cellphone With Air Pressure
Don't get me wrong, I'm all for green technology—so long as physical effort is not required. That's where the Power Pump cellphone charger from Orange falls a bit short. More »Vatican Building Europe's Largest Solar Plant, Start Worshipping Sun God
What? The Earth revolves around the sun? Preposterous. By the way, I want you to give up all technology for Lent. Oh, and pay no attention to the workers installing our $660 million solar plant. More »Legway: A Pedal-Powered Steampunk Segway
Steampunk is tired—and you will be too if you build the Legway. There's no electric motor to whisk you to a destination—only pedal-power. That means you actually have to exercise. More »Step Inside The Cardboard Office
Who knew people living in cardboard boxes could have the best pad in town? All it takes is a little ingenuity and some inspiration from the folks at Amsterdam's Nothing ad agency. More »CO2 Skyscraper Scrubs Away Smog With 400 Trees
The idea is actually very simple: construct a tower fitted with 200-400 trees in areas of high pollution. Basically, it works like a gigantic filter—scrubbing smog and converting CO2 into oxygen. More »Plug-in Prius Averaging 65 mpg in Tests, 15 More Than Standard Model
Toyota claims that their upcoming plug-in model Prius averages 65 mpg in real-world testing. That's about 15 more than the 2010 Prius—the current leader in fuel efficiency. More »Core77's Greener Gadgets Design Competition
The top 50 entries in Core77's Greener Gadgets Design Competition have been announced—and we have selected a group that have a good shot of making it to the top ten. More »RITI Printer Uses Old Coffee Grounds as Ink
Fortunately, I don't use my printer nearly as much as I used to—but that doesn't mean I enjoy paying ridiculous prices for ink. Imagine if you could replace that pricey ink with old coffee grounds? More »Eco-Friendly 360 Paper Bottle Concept Makes Tetra Paks Look So '60s
Swiss Making First Solar Submarine, Defeating the Purpose of an Underwater Vessel