Inhabitat's Week in Green: of space elevators, floating cities and solar sheltered drinking machines

Each week our friends at Inhabitat recap the week's most interesting
green developments and clean tech news for us -- it's the Week in Green.

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This week Inhabitat showcased several incredible examples of
futuristic architecture, starting with an 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.