Document ID: EPA-HQ-OAR-2015-0216-0208
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2016-10-27T04:00Z

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<H1>U.S. Greenhouse Gas Inventory Report: 1990-2014</H1><!-- END PAGE NAME --><!-- BEGIN CONTENT --><!-- START TAB's --><!-- END TAB's --><!-- BEGIN CONTENT AREA -->
<DIV id=pageContent>
<DIV class=right style="WIDTH: 220px; CLEAR: left">
<DIV style="TEXT-ALIGN: center"><IMG width=150 height=150 
title="2011 Cover Graphic" alt="2011 Cover Graphic" 
src="U_S_%20Greenhouse%20Gas%20Inventory%20Report%201990-2014%20%20Climate%20Change%20%20US%20EPA_files/2011-covergraphic.png"> 
</DIV>
<DIV style="TEXT-ALIGN: center"><A 
title="Greenhouse Gas Inventory Data Explorer | US EPA" 
href="https://www3.epa.gov/climatechange/ghgemissions/inventoryexplorer/"><IMG 
title="Explore Emissions data with EPA's interactive tool" 
alt="Explore Emissions data with EPA's interactive tool" 
src="U_S_%20Greenhouse%20Gas%20Inventory%20Report%201990-2014%20%20Climate%20Change%20%20US%20EPA_files/explore-emissions.png"></A> 
</DIV>
<DIV class=boxMain>
<H5>Related Links</H5>
<UL>
  <LI><A 
  href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US_GHG_Inv_FastFacts2016.pdf">Fast 
  Facts</A> <SPAN class=fileinfo>(PDF, 3 pp., 7 MB)</SPAN></LI>
  <LI><A 
  href="https://www3.epa.gov/climatechange/ghgemissions/usinventoryreport/natural-gas-systems.html">Natural 
  Gas Systems Data in the Inventory</A></LI>
  <LI><A 
  href="https://www3.epa.gov/climatechange/ghgemissions/Nov2015Workshop.html">11/19/15 
  Workshop on Petroleum and Natural Gas Systems</A></LI>
  <LI><A 
  href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/DRAFT-US-GHG-Inventory-1990-2014-Public%20Comments.pdf">Comments 
  received on the draft 1990-2014 U.S. GHG Inventory</A></LI>
  <LI><A 
  href="https://www3.epa.gov/climatechange/ghgemissions/usinventoryreport/archive.html">U.S. 
  Greenhouse Gas Inventory Report Archives</A></LI>
  <LI><A href="http://ghgdata.epa.gov/ghgp/main.do">Greenhouse Gas Reporting 
  Program</A></LI>
  <LI><A 
  href="https://www.epa.gov/ghgreporting/ghgdata/reported/inventory.html">Relationship 
  between the Inventory and the Greenhouse Gas Reporting 
Program</A></LI></UL></DIV></DIV>
<H2 id=about>About the Emissions Inventory</H2>
<P>EPA develops an annual report called the Inventory of U.S. Greenhouse Gas 
Emissions and Sinks (Inventory). This report tracks total annual U.S. emissions 
and removals by source, economic sector, and greenhouse gas going back to 1990. 
EPA uses national energy data, data on national agricultural activities, and 
other national statistics to provide a comprehensive accounting of total 
greenhouse gas emissions for all man-made sources in the United States. EPA also 
collects greenhouse gas emissions data from individual facilities and suppliers 
of certain fossil fuels and industrial gases through the <A 
title="Greenhouse Gas Reporting Program (GHGRP) | US EPA" 
href="https://www.epa.gov/ghgreporting">Greenhouse Gas Reporting 
Program</A>.</P>
<P>The national greenhouse gas inventory is submitted to the United Nations in 
accordance with the <A 
href="http://unfccc.int/national_reports/items/1408.php">Framework Convention on 
Climate Change</A> <!-- #BeginLibraryItem "/Library/exit-epa.lbi" --><A 
href="https://www.epa.gov/epahome/exitepa.htm"><IMG width=87 height=13 
alt="Exit EPA disclaimer" 
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In preparing the annual emissions inventory report, EPA collaborates with 
hundreds of experts representing more than a dozen U.S. government agencies, 
academic institutions, industry associations, consultants and environmental 
organizations.</P>
<H2 id=overview-greenhouse>Overview of Greenhouse Gases and Sources of 
Emissions</H2>
<P>Key findings from the 1990-2014 U.S. Inventory include:</P>
<UL>
  <LI>In 2014, U.S. greenhouse gas emissions totaled 6,870 million metric tons 
  of carbon dioxide equivalents.</LI>
  <LI>U.S. emissions increased by 1.0 percent from 2013 to 2014. Recent trends 
  can be attributed to multiple factors driving increased fuel use including 
  year-to-year changes in the prevailing weather and an increase in miles 
  traveled by on-road vehicles.</LI>
  <LI>Greenhouse gas emissions in 2014 were 9 percent below 2005 levels.</LI></UL>
<P>The graphs below provide an overview of greenhouse gas emission in the United 
States based on information from the Inventory. Click the links above each chart 
to learn more about each of these topics. See our <A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US_GHG_Inv_FastFacts2016.pdf">Fast 
Facts Fact Sheet</A> <SPAN class=fileinfo>(PDF, 3 pp., 7 MB)</SPAN> for an 
overview of the GHG emissions data from the report. </P>
<DIV class=boxMain 
style="WIDTH: 350px; FLOAT: none; CLEAR: both; MARGIN: 0px auto; DISPLAY: inline-block">
<H5><A title="Gases Overview" 
href="https://www3.epa.gov/climatechange/ghgemissions/gases.html">Overview of 
Greenhouse Gases</A></H5><IMG width=350 
title="Pie chart that shows different types of gases. 80.9 percent is from carbon dioxide fossil fuel use, deforestation, decay of biomass, etc.  10.6 percent is from methane. 5.9 percent is from nitrous oxide and 2.6 percent is from fluorinated gases." 
alt="Pie chart that shows different types of gases. 80.9 percent is from carbon dioxide fossil fuel use, deforestation, decay of biomass, etc.  10.6 percent is from methane. 5.9 percent is from nitrous oxide and 2.6 percent is from fluorinated gases." 
src="U_S_%20Greenhouse%20Gas%20Inventory%20Report%201990-2014%20%20Climate%20Change%20%20US%20EPA_files/gases-overview.png"> 
<!--<p class="caption">
					              <strong>Total Emissions in 2014 = 6,870 <a class="contentLightboxLink" href="#" title="unitslightbox">Million Metric Tons of CO<sub>2</sub> equivalent</a>
					              </strong>
					          </p>--></DIV>
<DIV class=boxMain 
style="WIDTH: 350px; FLOAT: none; CLEAR: both; MARGIN: 0px auto; DISPLAY: inline-block">
<H5><A title="Greenhouse Gas Emissions Sources" 
href="https://www3.epa.gov/climatechange/ghgemissions/sources.html">Sources of 
Greenhouse Gas Emissions</A></H5><IMG width=350 
title="Pie chart of total U.S. greenhouse gas emissions by economic sector in 2014. 30 percent is from electricity, 26 percent is from transportation, 21 percent is from industry, 12 percent is from commercial and residential, and 9 percent is from agriculture." 
alt="Pie chart of total U.S. greenhouse gas emissions by economic sector in 2014. 30 percent is from electricity, 26 percent is from transportation, 21 percent is from industry, 12 percent is from commercial and residential, and 9 percent is from agriculture." 
src="U_S_%20Greenhouse%20Gas%20Inventory%20Report%201990-2014%20%20Climate%20Change%20%20US%20EPA_files/sources-overview.png"> 
<!--<p class="caption">
					              <strong>Total Emissions in 2014 = 6,870 <a class="contentLightboxLink" href="#" title="unitslightbox">Million Metric Tons of CO<sub>2</sub> equivalent</a>
					              </strong>
					          </p>--></DIV>
<HR>

<H2 id=see-data>See the Data</H2>
<P>EPA has developed an interactive tool that provides access to data from the 
national greenhouse gas inventory. Visit the <A title="Inventory Explorer" 
href="https://www3.epa.gov/climatechange/ghgemissions/inventoryexplorer/">Greenhouse 
Gas Inventory Data Explorer</A> to create customized graphs, examine trends over 
time, and download the data.</P>
<P>The graphs below are examples from EPA’s Greenhouse Gas Inventory Data 
Explorer. Click either image to enter the tool and explore an interactive 
version of the graph.</P>
<DIV class=boxMain 
style="WIDTH: 527px; FLOAT: none; CLEAR: both; MARGIN: 0px auto"><A 
title="Greenhouse Gas Inventory Data Explorer | US EPA" 
href="https://www3.epa.gov/climatechange/ghgemissions/inventoryexplorer/"><IMG 
width=527 title="" alt="" 
src="U_S_%20Greenhouse%20Gas%20Inventory%20Report%201990-2014%20%20Climate%20Change%20%20US%20EPA_files/us-greenhouse-gas-emissions-1990-1994.png"> 
</A></DIV>
<DIV class=boxMain 
style="WIDTH: 527px; FLOAT: none; CLEAR: both; MARGIN: 0px auto"><A 
title="Greenhouse Gas Inventory Data Explorer | US EPA" 
href="https://www3.epa.gov/climatechange/ghgemissions/inventoryexplorer/"><IMG 
width=527 title="" alt="" 
src="U_S_%20Greenhouse%20Gas%20Inventory%20Report%201990-2014%20%20Climate%20Change%20%20US%20EPA_files/us-greenhouse-gas-emissions-economic-1990-1994.png"> 
</A></DIV>
<HR>

<H2 id=fullreport>Full Report</H2>
<P><EM>Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2014 (April 
2016):</EM></P>
<P>Read or download the entire <A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Main-Text.pdf">Inventory 
of U.S. Greenhouse Gas Emissions and Sinks: 1990-2014</A> <SPAN 
class=fileinfo>(PDF, 546 pp., 9.7 MB)</SPAN>. For faster access, individual 
report sections are posted below, for example the <A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-Executive-Summary.pdf">Executive 
Summary</A> <SPAN class=fileinfo>(PDF, 28 pp., 1.2 MB)</SPAN>.</P>
<P><EM>Individual sections:</EM></P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-Upfront.pdf">Upfront 
(PDF)</A> <SPAN class=fileinfo>(5 pp., 351 KB)</SPAN> - Includes title page, 
acknowledgments and preface.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-Table-of-Contents.pdf">Table 
of Contents (PDF)</A> <SPAN class=fileinfo>(17 pp., 472 KB)</SPAN> - Contains 
the main inventory document's table of contents as well as the list of tables, 
figures, and boxes.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-Executive-Summary.pdf">Executive 
Summary (PDF)</A> <SPAN class=fileinfo>(27 pp., 1.1 MB)</SPAN> - Provides a 
broad overview of all U.S. greenhouse gas emission sources and sinks, introduces 
key concepts and discusses the primary drivers for changes in emissions. All 
material in the Executive Summary is drawn from the following chapters.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-1-Introduction.pdf">Introduction 
(PDF)</A> <SPAN class=fileinfo>(24 pp., 1.2 MB)</SPAN> - Includes background 
information on greenhouse gas emission inventories, an introduction to climate 
change, a discussion of methodological issues and plans for QA/QC and an 
uncertainty analysis.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-2-Trends.pdf">Trends 
in Greenhouse Gas Emissions (PDF)</A> <SPAN class=fileinfo>(34 pp., 1.4 
MB)</SPAN> - Provides an overview of emission trends and discusses the primary 
drivers for changes in emissions.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-3-Energy.pdf">Energy 
(PDF)</A> <SPAN class=fileinfo>(93 pp., 2.1 MB)</SPAN> - Discusses and 
quantifies energy related emissions of all greenhouse gases resulting from 
stationary and mobile source activities including fuel combustion and fugitive 
fuel emissions.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-4-Industrial-Processes-and-Product-Use.pdf">Industrial 
Processes and Product Use (PDF)</A> <SPAN class=fileinfo>(115 pp., 2.0 
MB)</SPAN> - Addresses emissions from industrial processes and product use not 
directly related to energy activities.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-5-Agriculture.pdf">Agriculture 
(PDF)</A> <SPAN class=fileinfo>(39 pp., 1.9 MB)</SPAN> - Addresses anthropogenic 
emissions from agricultural activities (not including fuel combustion and sewage 
emissions, which are addressed in the Energy and Waste chapters).</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-6-Land-Use-Land-Use-Change-and-Forestry.pdf">Land 
Use, Land-Use Change, and Forestry (PDF)</A> <SPAN class=fileinfo>(91 pp., 2.4 
MB)</SPAN> - Addresses emissions and removals from forest and land-use change 
activities, primarily carbon dioxide.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-7-Waste.pdf">Waste 
(PDF)</A> <SPAN class=fileinfo>(33 pp., 1.0 MB)</SPAN> - Addresses emissions 
from waste management activities.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-8-Other.pdf">Other 
(PDF)</A> <SPAN class=fileinfo>(1 pp., 208 KB)</SPAN> - Addresses emissions from 
the "Other" IPCC sector.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-9-Recalculations-and-Improvements.pdf">Recalculations 
and Improvements (PDF)</A> <SPAN class=fileinfo>(6 pp., 600 KB)</SPAN> - 
Includes an overview of changes in this year's report, including historical 
data, methodology and other changes relative to the 1990-2011 report.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Chapter-10-References.pdf">References 
(PDF)</A> <SPAN class=fileinfo>(72 pp., 1.0 MB)</SPAN> - Contains the list of 
references used in the main inventory document.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annexes.pdf">All 
Annexes (PDF)</A> <SPAN class=fileinfo>(494 pp., 14.9 MB)</SPAN> - Supplementary 
information, data tables, detailed emission calculations and methodological 
discussions.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2015-Annexes-Table-of-Contents.pdf">Annex 
Introduction and TOC (PDF)</A> <SPAN class=fileinfo>(1 pp., 230 KB)</SPAN> - 
Contains the table of contents for the Annex.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-1-Key-Category-Analysis.pdf">Annex 
1 (PDF)</A> <SPAN class=fileinfo>(28 pp., 1.1 MB)</SPAN> - Key Category 
Analysis.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-2-Emissions-Fossil-Fuel-Combustion.pdf">Annex 
2 (PDF)</A> <SPAN class=fileinfo>(99 pp., 2.2 MB)</SPAN> - Methodology and Data 
for Estimating CO<SPAN class=subscript>2</SPAN> Emissions from Fossil Fuel 
Combustion.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-3-Additional-Source-or-Sink-Categories-Part-A.pdf">Annex 
3 (PDF) Part A</A> <SPAN class=fileinfo>(130 pp., 3.3 MB)</SPAN> - 
Methodological Descriptions for Additional Source or Sink Categories.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-3-Additional-Source-or-Sink-Categories-Part-B.pdf">Annex 
3 (PDF) Part B</A> <SPAN class=fileinfo>(171 pp., 4.6 MB)</SPAN> - 
Methodological Descriptions for Additional Source or Sink Categories.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-4-Reference-Approach.pdf">Annex 
4 (PDF)</A> <SPAN class=fileinfo>(10 pp., 390 KB)</SPAN> - IPCC Reference 
Approach for Estimating CO<SPAN class=subscript>2</SPAN> Emissions from Fossil 
Fuel Combustion.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-5-Sources-and-Sinks-Not-Included.pdf">Annex 
5 (PDF)</A> <SPAN class=fileinfo>(3 pp., 290 KB)</SPAN> - Assessment of the 
Sources and Sinks of Greenhouse Gas Emissions Not Included.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-6-Additional-Information.pdf">Annex 
6 (PDF)</A> <SPAN class=fileinfo>(29 pp., 890 KB)</SPAN> - Additional 
Information.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-7-Uncertainty.pdf">Annex 
7 (PDF)</A> <SPAN class=fileinfo>(19 pp., 600 KB)</SPAN> - Uncertainty.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/US-GHG-Inventory-2016-Annex-8-QAQC-Procedures.pdf">Annex 
8 (PDF)</A> <SPAN class=fileinfo>(4 pp., 350 KB)</SPAN> - QA/QC Procedures.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/Chapter%20Tables.zip">CSV 
Inventory Report Tables (ZIP)</A> <SPAN class=fileinfo>(264 KB)</SPAN> - Tables 
from the 1990-2014 Greenhouse Gas Inventory Report, in comma separated values 
(CSV) format.</P>
<P><A 
href="https://www3.epa.gov/climatechange/Downloads/ghgemissions/Annex%20Tables.zip">CSV 
Inventory Annex Tables (ZIP)</A> <SPAN class=fileinfo>(326 KB)</SPAN> - Tables 
from the 1990-2014 Greenhouse Gas Inventory Report Annex, in comma separated 
values (CSV) format.</P><!--
                        <p><a href="/climatechange/Downloads/ghgemissions/Chapter-Tables.zip">CSV Inventory Report Tables (Zip)</a> <span class="fileinfo">(244 KB)</span> - Tables from the 1990-2013 Greenhouse Gas Inventory Report, in comma separated values (CSV) format. </p>

                        <p><a href="/climatechange/Downloads/ghgemissions/Annex-Tables.zip">CSV Inventory Annex Tables (Zip)</a> <span class="fileinfo">(318 KB)</span> - Tables from the 1990-2013 Greenhouse Gas Inventory Report Annex, in comma separated values (CSV) format.</p>
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