bioethanol: a sustainable replacement for gasoline(?)
TRANSCRIPT
Check Against Delivery.Embargoed until 2:15 PM, 5 November 2010
Bioethanol: A Sustainable Replacement for Gasoline(?)
by Dr. Roberto Rinaldi, Max-Planck-Institut für Kohlenforschung, Mühlheim an der Ruhr, Germany
Session 7, Workshop 7.1: „Adaptation Strategies I: Sustainable Use of Natural Resources“Our Common Future, Essen, November 5th, 2010
Our Common Future, Hannover/Essen, 2-6 November 2010 (www.ourcommonfuture.de)
Bioethanol: A Sustainable Replacement for Gasoline(?)
Dr. Roberto Rinaldi
Max-Planck-Institut für KohlenforschungMülheim an der Ruhr
Sustainable
sustainable, adj.Ecol. Of, relating to, or designating forms of human economicactivity and culture that do not lead to environmentaldegradation, esp. avoiding the long-term depletion of naturalresources. (Oxford English Dictionary)
Images obtained from Google Search. All rights reserved to their authors.
The change needed
Source:W.M. Adams (2006): The Future of Sustainability: Re-thinking Environment and Developmentin the Twenty-first Century, Report of the IUCN Renowned Thinkers Meeting, 29-31 January2006, www.iucn.org, The World Conservation Union
Is ethanol sustainable?
How is ethanol produced?
FromSugars
Fermentation
Ethanol (Beer)
Source: http://www.thehoop.co.uk/history_frame.htm
Sources of sugars
Sugarcane Sugar beet
Maize or Corn
Switch grass
Images obtained from Google Search. All rights reserved to their authors.
Wheat
Food vs. FuelsEnvironmental impacts
Source:S. Bringezu, H. Schütz, M. O’Brien, L. Kauppi, R. W. Howarth, J. McNeely (2009) : Towards sustainableproduction and use of resources: Assessing biofuels. UNEP
GHG emissions
Source:S. Bringezu, H. Schütz, M. O’Brien, L. Kauppi, R. W. Howarth, J. McNeely (2009) : Towards sustainableproduction and use of resources: Assessing biofuels. UNEP
Land usage: The Brazilian Ethanol
Source: J. Goldemberg, Biotechnology for Biofuels, 2008, 1, 6.
Source:S. Bringezu, H. Schütz, M. O’Brien,L. Kauppi, R. W. Howarth, J.McNeely (2009) : Towardssustainable production and use ofresources: Assessing biofuels. UNEP
2 % arable land
Is ethanol sustainable?
Source:W.M. Adams (2006): The Future of Sustainability: Re-thinkingEnvironment and Development in the Twenty-first Century, Report ofthe IUCN Renowned Thinkers Meeting, 29-31 January 2006,www.iucn.org, The World Conservation Union