http://www.cleanenergy.org/2009/04/11/consensus-definition-of-biomass/

SACE | Southern Alliance for Clean Energy

Consensus Definition of Biomass

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In 2008 and 2009 SACE and the Union of Concerned Scientists organized a dialogue among Southeastern stakeholders to explore language for a new Federal definition of renewable biomass. About half of the participants reached consensus on the enclosed text, which seeks to broaden the definition while including provisions to ensure sustainability.consensus_definition_of_renewable_biomass.pdf