International Energy Agency. http://www.bioenergytrade.org/publications.html
2.
World Wildlife Federation. Searching for Sustainability: Comparative Analysis of Certification Schemes for Biomass Used for the Production of Biofuel. Available at http://wwf.panda.org/about_our_earth/all_publications/?212775/WWF-analysis-Searching-for-Sustainability–Comparative-analysis-of-certification-schemes-for-biomass-used-for-the-production-of-biofuels (Last accessed June2014).
3.
Field to Market Alliance for Sustainable Agriculture. Environmental and Socioeconomic Indicators Measuring Outcomes of On-Farm Agriculture Production in the United States: Second Report, (Version 2). December2012:11. Available at www.fieldtomarket.org/report/national-2/PNT_NatReport_A27.pdf (Last accessed June2014).
4.
Colorado State University College of Agricultural Sciences. Scenarios for Low Carbon Corn Production. Available at http://soilcrop.agsci.colostate.edu/scenarios-for-low-carbon-corn-production/ (Last accessed June2014).
5.
SearchingerT, HeimlichR, HoughtonRA, et al. Use of U.S. Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land-Use Change. Science, 2008:319(5867):1238-1240.
6.
LangeveldJWA, DixonJ, van KeulenH, Quist-WesselPMF. Analysing the Effect of Biofuel Expansion on Land Use in Major Producing Countries: Evidence of Increased Multiple Cropping. Biomass ResearchJuly1, 2013. Available at www.biomassresearch.eu/Biomass%20Research%201301_Analysing%20the%20efect%20of%20biofuel%20expansion%20on%20land%20use.pdf (Last accessed June2014).
7.
AusubelJH, WernickIK, WaggonerP. Peak Farmland and the Prospect for Land Sparing. Pop Dev Rev, 2012; 38(Suppl):221-242.
8.
BoucherD, BoucherP, FairesJ, SmithS. Deforestation Success Stories, Tropical Nations Where Forest Protection and Reforestation Policies Have Worked. June2012. Available at www.ucsusa.org (Last accessed June2014).
