1. This compilation is available on the Society of Industrial Ecology website at http://www.is4ie.org/publications/ed%20update%202005.pdf.
2. For more information on BASF's eco-efficiency program, refer to their website at http://www.corporate.basf.com/en/sustainability/oekoeffizienz/?id=iJGxx7bmkbcp35p.
3. , & (2004). The ecological and economic benefits of UV-curing technology, RADTECH Report 25, March/April.
4. See the EPA website at http://www.epa.gov/gcc/ascra05.html.
5. http://www.d.umn.edu/∼rdavis/courses/che3791/Green/greeneng.htm, accessed Oct. 23, 2005.