Presentation of Carlos C. Cerri for the "2nd Workshop on the Impact of New Technologies on the Sustainability of the Sugarcane/Bioethanol Production Cycle" Apresentação de Carlos C. Cerri realizada no "2nd Workshop on the Impact of New Technologies on the Sustainability of the Sugarcane/Bioethanol Production Cycle" Date / Data : Novr 11th - 12th 2009/ 11 e 12 de novembro de 2009 Place / Local: CTBE, Campinas, Brazil Event Website / Website do evento: http://www.bioetanol.org.br/workshop5