WorldChanging: A Carbon-Negative Fuel
This is a conversation Tom Ward and I have been having of late... the evolution of charcoal and its uses and functions in the post-modern world. This sees bio-char as a fuel and an amendment to the soils, theoretically sequestering carbon in the process. It's a great article, with equally thoughtful comments and critiques.
2007-11-02
A Carbon-Negative Fuel (?)
2007-11-01
Microwind Generator: 30X More Efficient and Cheaper!
Microwind Generator: 30X More Efficient and Cheaper! | EcoGeek
A brilliant design. A magnet on a taught string bounces in wind and produces electricity.
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