These 13 towering skyscrapers do solar power in a big way, with thousands of solar panels or even massive solar cell membranes that act as the building's 'skin'.

In the future, will cities be portable, roaming across the terrain or hovering in the sky? These 11 mobile urban concepts challenge the stationary status-quo.

Will the cities of the future be located thousands of feet in the air? These incredible sky-high designs give us a glimpse of futuristic floating cities.

Transportation is one of the main differences between present day and the day of tomorrow in pop culture. Here's how personal transport could appear tomorrow:

A variety of hot air balloons have graced balloon festivals around the globe. Here are some of the best of the best:

James Ng is a Hong Kong-born artist who incorporates asian traditional beauty with Western themes, and a steampunk sensibility.

This conceptual lamp provides light to an owner's home through the awesome natural power of photosynthesis...but it requires some care before it illuminates.

Mankind's continuing quest for energy has sparked alternative options that may seem odd and impractical today, but could someday become quite commonplace.

There are 4.5 trillion non biodegradable cigarette butts tossed out each year. Here are rechargeable, smokeless alternatives to help protect our environment.

Oscar the cat suffered a tragic accident, but thanks to the dedication of a medical team - and a healthy dose of luck - he's on the mend with new bionic paws.

Here are 16 visually stunning LED art sculptures that respect the environment while providing modern designs of energy-saving lighting solutions.

When cell phone concept designs are eco-friendly, their awesomeness rocks the charts. Here are 15 futuristic green gadgets, cool concept cell phones and accessories.

As waste piles up around the world, there’s a real need for products that won’t just sit in landfills indefinitely and leach toxic chemicals once they’re no longer wanted.

This vending machine is exactly the opposite of what you'd expect: instead of inserting money and getting a drink, you insert bottles and get points for prizes.

From soccer balls that harvest energy to hand-washing urinals, some of the latest green tech is offbeat and unexpected, but often amazing.