Record one-year increase in carbon dioxide levels
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Atmospheric carbon dioxide levels jumped 2.6 parts per million (ppm) in 2005, one of the largest increases on record according to data from the National Oceanic and Atmospheric Administration (NOAA).
Carbon dioxide levels now stand at 381 ppm, about 36 percent above pre-industrial levels.
Carbon dioxide is a principal 'greenhouse gas' thought to be driving global warming. Humans boost carbon dioxide levels primarily by the combustion of fossils fuels and deforestation, and accordingly, atmospheric concentrations have risen sharply since the industrial revolution. Today the United States, the world's largest economy and consumer of energy, produces about 24% of global carbon dioxide emissions.
Atmospheric carbon dioxide levels jumped 2.6 parts per million (ppm) in 2005, one of the largest increases on record according to data from the National Oceanic and Atmospheric Administration (NOAA).Carbon dioxide levels now stand at 381 ppm, about 36 percent above pre-industrial levels.
Carbon dioxide is a principal 'greenhouse gas' thought to be driving global warming. Humans boost carbon dioxide levels primarily by the combustion of fossils fuels and deforestation, and accordingly, atmospheric concentrations have risen sharply since the industrial revolution. Today the United States, the world's largest economy and consumer of energy, produces about 24% of global carbon dioxide emissions.
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