Greenhouse gas emissions USA (1990-2014). Emissions of carbon dioxide, methane, nitrous oxide, and several fluorinated gases, expressed in million metric tons CO2 equivalents. DATASOURCE: EPA. WIDGET: factgraphs.org
Tag: CO2
CO2 (Antarctica)
Atmospheric CO2: 750,000 years ago to the present (ppm). Changes in past atmospheric carbon dioxide concentrations as determined by measuring the composition of air trapped in ice cores from Antarctica (and recent direct atmospheric measurements). DATASOURCES: World Data Center for Paleoclimatology and NOAA. WIDGET: factgraphs.org