1. Association of Plastic Manufacturers Europe, 2008, Eco-profiles showing emissions from production of a wide variety of plastics. 〈http://www.alupro.org.uk/facts%20and%20figures.htm〉
2. Audsley, E., Brander, M., Chatterton, J., Murphy-Bokern, D., Webster, C., and Williams, A., 2009. How low can we go? An assessment of greenhouse gas emissions from the UK food system and the scope to reduce them by 2050. FCRN-WWF-UK. 〈http://assets.wwf.org.uk/downloads/how_low_report_1.pdf〉.
3. Greenhouse gas footprinting for small businesses — The use of input–output data
4. Underreporting of food intake among Mexican/Mexican–American women: rates and correlates;Bothwell;Journal of the American Dietetic Association,2009
5. Uncertainty estimates in regional and global observed temperature changes: a new data set from 1850;Brohan;Journal of Geophysical Research,2006