1. Brahic C. (2006) Price cash rattles Europe’s CO2 reduction scheme, Science 312, 1123.
2. Breslau K. (2006) It can pay to be green, clean air means profits at the climate exchange, Newsweek, 22 May 2006, 45.
3. Brown K.S. (1999) Bright future — or brief flare — for renewable energy, Science 285, 678–680.
4. Cassman K., Eidman V., Simpson E. (2006) Convergence of agriculture and energy, CAST Commentary QTA 2006-3, CAST, DeMoines, IA, 12 p.
5. Clay J. (2004) World Agriculture and The Environment: A Commodity by Commodity Guide to Impacts and Practices, Island Press, Washington, DC, 570 p.