Imagine a wall of digital media that uses ZERO energy. That's the claim of the GreenPIX project, which is set to roll out in Beijing for the Olympic Games. It's supposed to be dedicated to digital art, but if it's a successful rollout there are certainly tons of commercial applications. For example, these could be great alternatives to energy-sucking ad billboards.

From the GreenPIX website:

GreenPix is a groundbreaking project applying sustainable and digital media technology to the curtain wall of Xicui entertainment complex in Beijing, near the site of the 2008 Olympic Games. Featuring the largest color LED display worldwide and the first photovoltaic system integrated into a glass curtain wall in China, the building performs as a self-sufficient organic system, harvesting solar energy by day and using it to illuminate the screen after dark, mirroring a day’s climatic cycle

The Media Wall will provide the city of Beijing with its first venue dedicated to digital media art, while offering the most radical example of sustainable technology applied to an entire building’s envelope to date. The building will open to the public in May 2008, with a specially commissioned program of video installations and live performances by artists from China, Europe and the US.

More pics after the jump.

They even have Mac and PC simulators that you can download to see what it might look like. As a digital artist I used to dream about this kind of stuff to bring graphics projects to the public on a huge scale!