July 15, 2011

Lifecycle Greenhouse Gas Emissions: From Shale Gas Compared to Coal

David H. Hughes

An Analysis of Two Conflicting Studies

Two studies with conflicting conclusions have recently been produced on full-cycle greenhouse gas (GHG) emissions from shale gas production, one from scientists at Cornell University and another from a scientist at …

April 11, 2011

Studies Say Natural Gas Has Its Own Environmental Problems

By TOM ZELLER Jr., New York Times

Even as natural gas production in the United States increases and Washington gives it a warm embrace as a crucial component of America’s energy future, two coming studies try to poke holes in …

March 13, 2011

Methane and the greenhouse-gas footprint of natural gas from shale formations

Robert W. Howarth · Renee Santoro · Anthony Ingraffea

We evaluate the greenhouse gas footprint of natural gas obtained by high volume hydraulic fracturing from shale formations, focusing on methane emissions. Natural gas is composed largely of methane, and 3.6% …

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