Onde tem mais CO2 nos EUA e para onde vai?

http://www.sciencedaily.com/videos/2008/1209-tracking_co2.htm

ScienceDaily () -- Biogeochemists located where the most carbon dioxide emissions occur in the U.S. using a new mapping system. With this program-available to anyone on the Web-researchers were able to extract information about carbon dioxide emissions by transforming data on local air pollution and combining it with geographic information systems (GIS) data to layer the emissions onto infrastructures at the Earth's surface. The map helps us learn more about carbon emissions and gives scientists a way to check the accuracy of satellite images.