Abstract Contributing Investigators Atmospheric Trace Gas Concentrations Atmospheric Carbon Dioxide and Carbon Isotope Records Atmospheric Methane Atmospheric Carbon Monoxide Atmospheric Hydrogen Other Atmospheric Trace Gases Related atmospheric trace gas, carbon isotope, radionuclide, and aerosol data Greenhouse Gas Emissions Carbon Dioxide Emissions from Fossil-Fuel Consumption Monthly CO2 Emissions and Associated 13C/12C Values from Fossil-Fuel Consumption in the U.S.A. Estimates of Annual Fossil-Fuel CO2 Emitted for Each State in the U.S.A. and the District of Columbia Related carbon dioxide emissions data Methane Emissions Carbon Flux from Land-Cover Change Related data on carbon flux from changes in land use and land cover Climate Temperature Clouds Related climate data Ecosystems Area and Carbon Content Related land-use and ecosystems data or vegetation response to CO2 and climate data CDIAC Home