On September 13–14, 2012, EPA held a stakeholder workshop on key aspects of the estimates of greenhouse gas emissions from the natural gas sector in the GHG Inventory. View speaker presentations and learn more about the workshop.

On February 27, 2013, EPA held a technical webinar on natural gas systems in the GHGRP and the GHG Inventory. View speaker presentations and learn more about the webinar. 

View updates to the 1990–2011 Greenhouse Gas Inventory (published April 2013), below.

• Overview of Updates to the Natural Gas Sector Emissions Calculations for the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2011 (PDF)(3 pp, 44 K)