(AGENPARL) – gio 11 aprile 2024 Issued: Apr 11, 2024 (2:38pm EDT)
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EPA Publishes Annual US Greenhouse Gas Inventory
WASHINGTON — Today, April 11, the U.S. Environmental Protection Agency
released its latest annual Inventory of U.S. Greenhouse Gas Emissions and
Sinks (GHG Inventory), which presents a national-level overview of annual
greenhouse gas emissions from 1990 to 2022. Net U.S. greenhouse gas emissions
were 5,489 million metric tons of carbon dioxide equivalent in 2022, a 1.3%
increase in emissions from 2021. The increase is largely due to higher energy
use in 2022, reflecting the continued rebound in economic activity following
the height of the coronavirus pandemic. However, emissions have declined 17%
overall since 2005, which reflects the combined impacts of several factors,
including energy market trends, technological changes including energy
efficiency improvements, and the carbon intensity of energy fuel choices.
“Through a rigorous development and review process, EPA annually refines and
strengthens our greenhouse gas inventory, producing a comprehensive tally of
U.S. greenhouse gas emissions and sinks,” said Joseph Goffman, Assistant
Administrator for the Office of Air and Radiation. “Reflecting input from
hundreds of experts across the government, academia, industry, and consulting,
the GHG Inventory report is a model for high-quality and transparent national
GHG accounting.”  
For this latest release, EPA has made several important improvements,
including updates to estimates for oil and gas and incorporation of long-term
research into methods for estimating emissions and sinks from forested land. 
The GHG Inventory covers seven key greenhouse gases: carbon dioxide, methane,
nitrous oxide, hydrofluorocarbons, perfluorocarbons, sulfur hexafluoride, and
nitrogen trifluoride. In addition to tracking U.S. greenhouse gas emissions,
the Inventory also calculates carbon dioxide that is removed from the
atmosphere through the uptake of carbon in forests and other vegetation.
This impartial, policy neutral report has been compiled annually since 1993
and submitted to the United Nations Framework Convention on Climate Change and
also the Paris Agreement. The report is prepared by EPA in collaboration with
numerous experts from other federal agencies, state government authorities,
research and academic institutions, and industry associations. National
inventories for developed countries should be provided to the UNFCCC each year
by April 15.
To engage the public and researchers across the country, EPA conducts an
annual public review and comment process for this document. The document was
made available on the EPA Greenhouse Gas Emissions website and announced via
Federal Register Notice for 30 days. Comments received after the closure of
the public comment period are accepted and considered for the next edition of
this annual report. Public review of this year’s report occurred from Feb.
15 to March 15, and comments received are posted to the docket
EPA-HQ-OAR-2024-0004. Responses to comments will be posted to EPA’s website
within 2-4 weeks following publication of this report.
Learn more about the report.
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