Articles/Reports:
More on related topic in Fracking tab https://denverclimatestudygroup.com/?page_id=135
Pathways to a Low Carbon Economy – Kinsey report, 20009 7Mb (pdf)
Helpful explanatory slides:
COAL VS METHANE: CO2 EMISSIONS COMPARISON – 2 slides from Dag Nummedal (ppt)
COAL VS METHANE: CO2 EMISSIONS COMPARISON – 2 slides from Dag Nummedal (pdf)