. . . . . . . . . . . . "Carbon dioxide, the greenhouse effect, and climate : a primer : report"@en . . . . . . . . . . . . "Carbon dioxide, the greenhouse effect, and climate a primer : report"@en . "Atmosphere carbon dioxide Environmental aspects United States." . . "Carbon Dioxide." . . "United States" . . . . "Climate." . . "Air Pollution adverse effects." . .