Take a first look inside Quebec's amazing new Hotel de Glace ice castle!

This amazing NASA map shows tree density in the United States.

The 2012 Times Square New Year's Eve ball is set to dazzle with more than 32,000 LED lights!

Terminal 2 at the San Francisco International Airport just became the US' first airport to achieve LEED Gold certification - check out exclusive photos at Inhabitat.

Each year an incredible crop of luminous ice castles rise at the Harbin Ice and Snow festival in China.

This amazing record-playing "Feats per Minute" bike blasts music as you pedal!

Sick of your cubicle? Check out this amazing crop of living green offices that sprung up in the streets of Denver!

2:pm Architecture has designed a floating shipping container pool that purifies river water!

GE and Urban Green Energy just unveiled the Sanya Skypump - a wind and solar-powered electric vehicle charging station!

SolarOr's honeycomb-shaped 'Beehive' photovoltaic panels could turn skyscrapers into solar power towers.

Anirudha Surabhi's brilliant cardboard Kranium bike helmet, 4 times stronger than conventional polystyrene helmets!

Jeroen Verhoeven's stunning 'Virtue of Blue' chandelier powered by five hundred sapphire-blue fluttering solar butterflies!

Google just unveiled a LED light bulb that can be controlled from any Android device!

Joost van Bleiswijk and Alrik Koudenburg have created an incredible cardboard office for Dutch advertising agency Nothing.

Inhabitat take a first look inside Foster + Partner's ambitious carbon-neutral Masdar City!

The Alerion race car just won first place at Shell's Eco Marathon with a staggering fuel efficiency of 2,564.8 MPG.

Behold: the world's first solar-powered wind turbine!

This insane screwdriver-powered vehicle by Nils Ferber rockets you headfirst through the streets!

Check out the most cutting-edge sustainable ceramics from Cevisama 2011 in Spain!

Spain's largest vertical garden was just officially unveiled!

Mario Caceres and Cristian Canonico have designed a set of beautiful air-filtering trees (Treepods) for the SHIFTboston urban intervention contest.

Porsche just rolled out its brand new 918 RSR hybrid supercar at the Detroit Auto Show!

Art Basel Miami Beach just kicked off with the unveiling of the Exhale Pavilion, a shimmering art installation composed of 7 miles of phosphorescent ropes.

Electrolux has just unveiled its Vac From the Sea collection - a line of limited-edition vacuums made from plastic found in the world's oceans.

Onyx Solar is launching a new line of photovoltaic paving tiles made from ceramic and glass later this year.

Soltech Energy has unveiled a set of gorgeous solar shingles made from glass!

Marco Castro Cosio's green roofed bus is a garden to-go!

Check out the hottest eco designs from Tent London 2010 at the London Design Festival!

Mesarchitecture's stunning Sky is the Limit tea house consists of two shipping containers lifted into the clouds.

The Foyn Johanson house in Australia features an exterior that has been shaped according to the sun's path in order to maximize available light in its garden.

Interstice Architects' Mission:House.This high-tech solar home in San Francisco features a gorgeous façade made from recycled windows!

Derringer's beautiful hand-built hybrid cycles are modeled after 1920's racing bikes!

Wow - this incredible obelisk in Santa Rosa is made from 340 bicycles!

Just in time for Labor Day - Yellowstone just opened the doors of its new LEED Gold visitor education center!

Carlos Campos Yamila Zynda Aiub Architects have envisioned a fleet of high-flying energy generating robots for the skies of Dubai.

This high-flying kite farm combines my two greatest passions - renewable energy and extreme parasailing.

250 pixelated bird houses recently popped up on city trees in London.

The world's largest artwork was created this year on the frozen surface of the world's largest lake!

This mind-blowing building composed of thousands of books was recently built by Matej Kren at the Museum of Modern Art in Bologna (MAMbo)

The world's first solar powered blimp is set to cross the English Channel next week!

New York's High Line park is set to double in size by next spring! Fast Company tells us architects Diller Scofidio + Renfro and landscape firm James Corner Field Operations will roll out fascinating new features in the 10-block extension.

The European Solar Decathlon kicked off today in Madrid, and Inhabitat has a first look at this year's stunning crop of solar-powered homes!

Tree Museum! Switzerland recently opened a gorgeous outdoor museum showcasing 2,000 species of trees. Designed by Swiss landscape architect Enzo Enea with the help of Oppenheim Architecture + Design (OAD).

Read more: Tree Museum With a Collection of 2,000 Trees Opens in Switzerland | Inhabitat - Green Design Will Save the World

This gorgeous bamboo house in Costa Rica has a central skylight for viewing the moon.