Sustainable Energy Innovators: 2006 Part 10 of 10
10:10
Added: 2 years ago
From: TVEAPfilms
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  • This is brilliant way to save energy and deforestation. I must have seen this at un sustainable development summit in johansesberg in 2002.beter to spread to rest of the developing world villages to save trees and energy

    vkpillay 2 years ago

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