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Site SearchIn the U.S., our energy-related activities account for three-quarters of our human-generated greenhouse gas emissions, mostly in the form of carbon dioxide emissions from burning fossil fuels. More than half the energy-related emissions come from large stationary sources such as power plants, while about a third comes from transportation. Industrial processes (such as the production of cement, steel, and aluminum), agriculture, forestry, other land use, and waste management are also important sources of greenhouse gas emissions in the United States.
For a better understanding of where greenhouse gas emissions come from, governments at the federal, state and local levels prepare emissions inventories, which track emissions from various parts of the economy such as transportation, electricity production, industry, agriculture, forestry, and other sectors. EPA publishes the official national inventory of US greenhouse gas emissions, and the latest greenhouse gas inventory shows that in 2005 the U.S. emitted over 7.2 billion metric tons of greenhouse gases (a million metric tons of CO2 equivalents (MMTCO2e) is roughly equal to the annual GHG emissions of an average U.S. power plant.) Visit the Emissions section of this site to learn more, or review the answers to some frequent emissions questions.
Learn more about greenhouse gas emissions
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- McCain holding town hall event in N.C.
Updated at 5:20 a.m. - Memorial dedication held for Nancy Cooper
Updated Oct. 12 10:57 p.m. |
- New UNC chancellor installed
Updated Oct. 12 8:58 p.m. | - WFR High graduate killed in wreck
Updated at 12:01 a.m. | - Attorney: Marine fighting extradition from Mexico
Oct. 12, 2008
- McCain holding town hall event in N.C.
- Most Viewed Slideshows
- Halloween on Franklin Street
May. 20, 2008 - Photos of the week
Oct. 11, 2008 - The week in entertainment
Posted Oct. 12 10:55 a.m.
- Halloween on Franklin Street
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10 questions with Greg FishelWRAL's chief meteorologist answers your questions about severe weather, snow and why he loves his job.
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10 questions with a WRAL.com moderatorA WRAL.com moderator answers your questions about comments on stories, abuse reports and more.
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10 questions with N.C. Secretary of Crime Control & Public SafetyBryan Beatty answers your questions about homeland security, gang prevention and illegal immigrants.
(3 votes) new unc chancellor installed
(2 votes) rape charges filed in durham
(2 votes) wfr high graduate killed in wreck
(2 votes) 3 injured in raleigh wreck
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The week in entertainmentThe newsmakers in the entertainment world this week as seen through the lenses of Associated Press photographers' cameras.
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Photos of the weekSee the major events of the week as caught in the lenses of Associated Press photographers.
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Global financial meltdownA look at the global impact of the financial crisis, with market data and summaries of plans for several countries.
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Compare attack adsThe Associated Press evaluates two negative ads getting attention in the presidential campaign.
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Campaign Trail Photos of the WeekView photos from the past week on the campaign trail from AP photographers around the country.
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The week in entertainment
The newsmakers in the entertainment world this week as seen through the lenses of Associated Press photographers' cameras.
-
Photos of the week
See the major events of the week as caught in the lenses of Associated Press photographers.
-
Global financial meltdown
A look at the global impact of the financial crisis, with market data and summaries of plans for several countries.
-
Compare attack ads
The Associated Press evaluates two negative ads getting attention in the presidential campaign.
-
Campaign Trail Photos of the Week
View photos from the past week on the campaign trail from AP photographers around the country.
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