epic floating ark that houses a self-sustaining city at sea. We also saw a plan to harness carbon nanotubes to create the world's first space elevator, and we brought you an ingenious solar-powered shelter that harvests and purifies rainwater for drinking.
In other news, Asia revved up the world of eco transportation as South Korea unveiled the world's first commercial electric bus, and Beijing launched a plan to cut eliminate gridlock by cutting vehicle registration by 2/3. We also checked in on the electric Bluebird supercar, which is gearing up to break the UK land speed record next year, and we took an in-depth look at the year's best electric vehicles.
Finally, welcome to 2011! As the final countdown rang out we took a look at Times Square's dazzling 2011 eco ball, which is studded with 32,256 LEDs. We also looked back on Inhabitat's top green energy, transportation, and tech stories of 2010, and we rounded up the year's best green products and wearable technology concepts that stand to change the way we get dressed for the day. And if you're running errands this week to return any unwanted holiday gifts, check out Amazon's new preemptive return tool - it could save you a trip next year.