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Greenhouse Gas Emissions

Natural Gas and Petroleum Systems in the GHG Inventory: Updates to the 1990-2012 Inventory (published 2014)

View updates to the 1990–2012 Greenhouse Gas Inventory (published April 2014).

View information about revisions to estimates for natural gas and petroleum systems in the GHG Inventory for other Inventory release years.

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Overview of updated methodology in the Inventory of U.S. Greenhouse Gas Emissions and Sinks for hydraulically fractured gas well completions and workovers (PDF)(3 pp, 365 K)