Interactive version at http://bit.ly/ccYHhy

Energy use is the largest driver of GHG emissions, primarily the burning of fossil fuels in the electricity generation, transportation, and industrial sectors. This graphic depicts the contributions of major economic sectors to total energy-related GHG emissions in the state of Virginia in 2007.

To assess a sectoral breakdown of GHG emissions for a different U.S. state, change the year, or graph trends, please visit http://bit.ly/ccYHhy, available through Google's Public Data Explorer.