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Really impressed by this portable ultrafiltration method. Tags: learn4, water Stefano Viaggi Mar 25, 2010 40 views
A story just to remember how bottled water is a totally pointless commodity. Tags: water Stefano Viaggi Mar 25, 2010 68 views
Biochar can produce energy, is a very good fertilizer and reduce important quantities of CO2 in the… Tags: CO2, biochar Stefano Viaggi Mar 20, 2010 16 views
Nathaniel has succeded in building an economical, effective stove working with pyrolysis. His Lucia… Tags: Learn3, CO2 Stefano Viaggi Mar 20, 2010 102 views
March 8th: International Women's Day (IWD). A night action of urban gardening at Milano, Italy. Tags: gardening Stefano Viaggi Mar 15, 2010 26 views
Definitely starting a square foot gardening in my small home garden. I didn't know this tecnique: i… Tags: ACT2 Stefano Viaggi Mar 14, 2010 53 views
"I wish for your help to create a strong, sustainable movement to educate every child about food, i… Tags: food, education Stefano Viaggi Mar 5, 2010 39 views
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