An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Greenhouse Gas Emissions

Natural Gas and Petroleum Systems in the GHG Inventory: Additional Information on the 1990-2014 GHG Inventory (published April 2016)

Below, view additional information on updates made in the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 19902014 (published April 2016).

On November 19, 2015, EPA held a stakeholder workshop on greenhouse gas (GHG) data on petroleum and natural gas systems from the GHGRP and the GHG Inventory. View workshop summary and presentations.

View the archives of previously posted memos on the 1990-2014 GHG Inventory.

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.