A recently published article "Health co-benefits and transportation-related
reductions in greenhouse gas emissions in the San Francisco Bay Area", which appears
in the February 14, 2013 online issue of the American Journal of Public Health may be of
interest.
For the PDF:
http://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.2012.300939
For the full-text:
http://ajph.aphapublications.org/doi/full/10.2105/AJPH.2012.300939