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How Uncertain Are Estimates of CO2 Emissions?

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  • Can satellite or other remotely sensed data provide independent estimates—or even confirmation of existing estimates—for emissions from power plants, highways, projects, cities, countries, or groups of countries? The answer for now is no; estimates of emissions from fossil fuels are actually one of the best constrained pieces of data in analyzing the global carbon cycle.

Address correspondence to:
Dr. Gregg Marland
Environmental Sciences Division
Oak Ridge National Laboratory
Oak Ridge, TN 37831-6335, USA
marlandgh@ornl.gov

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