Science news articles about 'billion metric tons'

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

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

... North America. The estimated 1,672 billion metric tons of carbon locked up in the permafrost is more than double the ... agriculture is thought to add about 1.5 billion tons per year. How much permafrost ...

... anywhere 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 worldwide. This ...

... coal-fired power plants to car tailpipes--is responsible for nearly 30 billion metric ... yearly. We know that roughly 15 billion metric tons remains in the atmosphere for a century or more. A portion ...

... sulfuryl 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 ...

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