Are we Running Out?
By Mondalor - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=7159838
http://www.plantsguru.com/ricinus-communis-castor-oil-plant-seeds
http://energy.gov/
www.bbc.com
ec.europa.eu
“Materials are not in short supply. The
problem is how we exploit them and how we use
them”. – Bernard Outah, RD, WFTO Africa
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