EPA Publishes 18th Annual U.S. Greenhouse Gas Inventory

In a press release, the U.S. EPA yesterday announced the release of its 18th annual report of overall U.S. greenhouse gas (GHG) emissions showing a 1.6 percent decrease in 2011 from the previous year. Recent trends can be attributed to multiple factors including reduced emissions from electricity generation, improvements in fuel efficiency in vehicles with reductions in miles traveled, and year-to-year changes in the prevailing weather.

GHGs are the primary driver of climate change, which can lead to hotter, longer heat waves that threaten the health of the sick, poor or elderly; increases in ground-level ozone pollution linked to asthma and other respiratory illnesses; as well as other threats to the health and welfare of Americans. GHG emissions in 2011 showed a 6.9 percent drop below 2005 levels. Total emissions of the six main greenhouse gases in 2011 were equivalent to 6,702 million metric tons of carbon dioxide. These gases include carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride.

More on the greenhouse gas inventory report, visit the EPA Climate Change website.

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