Stakeholder Process for Natural Gas and Petroleum Systems in the 1990-2021 Inventory

It is EPA's standard process to update the Inventory of U.S. Greenhouse Gas Emissions and Sinks (GHG Inventory) when relevant new and improved data are available.

EPA held stakeholder webinars on updates under consideration for the 1990-2021 GHG Inventory (released in April 2023). Information for each webinar is posted here.

November 29, 2022 Webinar

On November 29, 2022, EPA held a stakeholder webinar on EPA’s GHG data for natural gas and petroleum systems from the GHG Inventory and the Greenhouse Gas Reporting Program (GHGRP).

At the webinar, EPA presented on GHGRP data, and on existing GHG Inventory methods and updates under consideration.

Stakeholders also presented on new data and information relevant to estimating GHG emissions from natural gas systems and petroleum systems.

View Stakeholder Webinar (Nov. 2022): Natural Gas & Petroleum Systems in the GHG Inventory.

September 15, 2022 Webinar

On September 15, 2022, EPA held a stakeholder webinar to provide an overview of updates under consideration for the 1990-2021 GHG Inventory for natural gas and petroleum systems.

View Stakeholder Webinar (Sept. 2022): Natural Gas & Petroleum Systems in the GHG Inventory.

Additional Information

Access prior year stakeholder outreach documents for updates to the methods and data used for GHG emission estimates for natural gas and petroleum systems.