The stakeholder memos below outline updates that were under consideration for the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2014.
View additional information about natural gas and petroleum systems in the 1990-2014 GHG Inventory, including final revisions.
View information about revisions to estimates for natural gas and petroleum systems in the GHG Inventory for other Inventory release years.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Updates Under Consideration for Petroleum and Natural Gas Production Segment Emissions in the 1990-2014 GHG Inventory (PDF)(18 pp, 728 K)
- Updates Under Consideration for Natural Gas Gathering and Boosting Segment Emissions in the 1990-2014 GHG Inventory (PDF)(11 pp, 507 K)
- Updates Under Consideration for Natural Gas Transmission and Storage Segment Emissions in the 1990-2014 GHG Inventory (PDF)(40 pp, 970 K, January 2016)
- Updates Under Consideration for Natural Gas Distribution Segment Emissions in the 1990-2014 GHG Inventory (PDF)(30 pp, 724 K, December 2015)