30 Jun '11, 10pm

The final word on shale gas emissions:

The final word on shale gas emissions:

Two studies with conflicting conclusions have recently been produced on full cycle greenhouse gas emissions from shale gas production, one from scientists at Cornell University and another from a scientist at the National Energy Technology Laboratory (NETL). The Cornell study, published in a peer-reviewed journal, suggests that life cycle greenhouse gas (GHG) emissions from shale gas are 20%-100% higher than coal on a 20 year timeframe basis, especially considering that 70% of natural gas consumption is not used for electricity generation. The NETL study, presented in a talk at Cornell University and later posted on the NETL website, suggests, on an electricity-generation comparison basis, that natural gas base load has 48% lower GHG emissions than coal on a 20 year timeframe basis. The NETL comparison, however, does not single out shale gas, which is projected by the U.S....

Full article: http://www.postcarbon.org/report/390308-life-cycle-greenh...

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