The Supply Chain of CO2 Emissions

lundi 30 janvier 2012

It is difficult to measure accurately each nation’s contribution of carbon dioxide to the Earth’s atmosphere. Carbon is extracted out of the ground as coal, gas, and oil, and these fuels are often exported to other countries where they are burned to generate the energy that is used to make products. In turn, these products may be traded to still other countries where they are consumed. A team led by Carnegie’s Steven Davis, and including Ken Caldeira, tracked and quantified this supply chain of global carbon dioxide emissions. Their work will be published online in the Proceedings of the National Academy of Sciences during the week of October 17.

Read more at : http://supplychainco2.stanford.edu/paper.html

Download document in PDF format : http://www.pnas.org/content/early/2011/10/13/1107409108.full.pdf

See the vidéo : http://www.youtube.com/watch?feature=player_embedded&v=zyML8eqfEGk