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Supertopics:
Petroleum Substitute Ecological Problems
Biofuel Problems

Ecological Problems of Biofuel Production

Subtopics:
webJim PaulAssociated Press2006-06-19
webNick MartinNew Republic2021-04-12
webFen MontaigneYale Environment 3602019-10-15
webLukas RossOakland Institute2013-01-01
webEnergy Justice Network2012-04-08
webElisabeth RosenthalNew York Times2008-05-21
webFred PearceNew Scientist2006-09-25