A crash course in changing the world.
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ActionAid has made this video where they explain why they are against biofuels. You can discuss th… Tags: resources, food Raymond M. Kristiansen Apr 7, 2010 29 views
Using wood pellets to power a wood gas stove so that one day we can all cook carbon zero and work o… Tags: fuel, woodgas NickDutch Mar 18, 2010 21 views
Two bloom boxes can power the average high-consumption American home -- one block can power the ave… Tags: new, energy Heidi Hysell Mar 18, 2010 36 views
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