Biomass energy.; Energy consumption.; Greenhouse gases.; Climatic changes.
Text document in PDF format.; Title from PDF title page (viewed on August 27, 2009).; Authors: Daniel M. Kammen, Alexander E. Farrell, Richard J. Plevin, Andrew D. Jones, Gregory F. Nemet, Mark A. Delucchi.; "Version: September 7, 2007."; "Received...