Full source of that: http://www.nexteraenergyresources.com/pdf_redesign/Full%20Cost%20of%20Coal.pdf http://www.nexteraenergyresources.com/pdf_redesign/Full%20C

Full source of that: http://www.nexteraenergyresources.com/pdf_redesign/Full%20Cost%20of%20Coal.pdf http://www.nexteraenergyresources.com/pdf_redesign/Full%20Co... Interestingly, most of the external costs they estimate aren't CO2 emissions. Table 4 on page 92. In the "median" case, it's 9.3 c/kWh air pollutants, 4.4 c/kWh public health burden from Appalachian mining, and then 3.1 c/kWh from climate effects. In the "high" case climate goes up to 10.2 c/kWh, still less than half of the 26.9 c/kWh total.