Science news articles about 'billion metric tons'

... could prevent the emission of roughly half a billion metric tons of carbon dioxide per year ... reductions of between 3.1 billion and 4.7 billion metric tons of carbon annually ... , and a corresponding 1.5 billion to 2.7 billion metric ton reduction in emissions ...

... willing to collectively spend about $1 billion annually could prevent the emission of roughly half a billion metric tons of carbon dioxide per year ...

... America. The estimated 1,672 billion metric tons of carbon locked up in the permafrost is more than double ... Siberian permafrost contained 500 billion metric tons of carbon. For this new paper, scientists ...

... from a few to many hundreds of kilograms of undecomposed organic matter, for a total of 200 to 450 billion metric tons of carbon sequestered in peat bogs ...

... tailpipes--is responsible for nearly 30 billion metric tons of carbon dioxide wafting into the atmosphere yearly. We know that roughly 15 billion metric tons remains in the atmosphere for a century or more. A portion ...

... fluoride released into the atmosphere (about 2,000 metric tons per year) are far lower than those of carbon dioxide (about 30 billion metric tons per year) and thus the absolute effect of present SO2F2 emissions on global ...

... ultimate coal production to 665 billion metric tons. This amounts to 59 percent of the corresponding number of reserves, which the World Energy Council estimated as 847 billion metric tons of coal as of year-end 2005 ...

... to store an additional 3-7 billion metric tons of carbon in forests, if agricultural lands ... about 30 percent (0.5 billion metric tons of carbon) of the nation's fossil fuel ... per year (1.6 billion metric tons of carbon). Enhancing the carbon storage ...

... .S. forests and soils store some 90 billion metric tons of carbon, or 50 years worth of present U.S. emissions from fossil fuels , according to a new ...

... all the refrigerators in the world with similar efficiency improvements might save 1.1 billion metric tons of carbon dioxide over that span, a significant ...

... , ""WASP-12b is losing its mass to the host star at a tremendous rate of six billion metric tons each second. At this rate, the planet will be completely destroyed by its host star in about ten ...

... chloride – common table salt – can permeate the air. It is believed that as much as 10 billion metric tons of chloride enters the air mass ...

... higher than previous measurements. That number -- about 98 petagrams of carbon a year (or 98 billion metric tons) -- will help scientists build a better ...

... have prevented massive amounts of greenhouse gases from entering the atmosphere – the equivalent of 590 billion metric tons of carbon dioxide – according to a new study ...

... -based electricity generation accounts for about a third of U.S. CO2 emissions (some 2 billion metric tons), Brito and Curl describe it as "the 900 ...