carbon neutral

This may sound impossible at first, but Sweden based Home Energy has developed a way to burn wood in a carbon neutral fashion. The process takes place in their Wood Pellet Boiler.

Fallen wood left on the forest floor naturally decays and, while it does so, releases energy as well as carbon dioxide. The Wood Pellet Boiler, while burning the wood manages to harness the

In a series of renderings, Dubai-based environmental design firm Timelinks recently displayed their grand ambitions to design and build a carbon neutral city in the form of a pyramid. Appropriately named the Ziggurat, this incarnation of the ancient design would make Las Vegas' Luxor and the Pyramids of Giza look like a series of ant hills. The firm plans to officially unveil their vision at this year's Cityscape Dubai event, being held from October 6 - 9.

The gargantuan eco-pyramid would take up 2.3 square kilometers and supposedly house up to a million souls. Most importantly however, Timelinks proposes that the Ziggurat will be completely self sustaining, with no reliance on the outside energy grid. It would be so by using wind and steam power along with other