Global Warming by the Numbers

35%

Increase in the global carbon dioxide emissions from the burning of fossil fuels since the Kyoto Protocol was signed in 1992.

388.57 ppm

Average concentration of carbon dioxide in the atmosphere in May 2008, a record high.

541 – 970 ppm

The projected concentration of carbon dioxide in the atmosphere by 2100 under a business as usual scenario where we don’t dramatically reduce global warming emissions.

260 – 280 ppm

Average concentration of carbon dioxide in the atmosphere before industrial emissions.

50 – 200 years

Length of time carbon dioxide stays in the earth’s atmosphere before it is absorbed into carbon sinks.

1000 years

Length of time changes in the earth’s surface temperature, rainfall, and sea level will remain even after carbon dioxide emissions are completely stopped.

34%

Percentage that 2008’s Arctic seasonal sea ice melt outpaced normal levels.

70%

Increase in the rate of Greenland’s ice melt over the last five years.

1.7 days

Number of days earlier seasons are coming than 50 years ago.

1.5 million

Number of acres of forests in Colorado destroyed by the pine beetle, which is better able to survive warmer winters and is wrecking havoc in America’s western forests.

$427 million

Amount spent by the oil and coal industries in the first six months of 2008 in political contributions, lobbying expenditures and advertising to oppose climate action.

0

Number of global warming bills passed by the Senate.

0

Number of global warming bills passed by the House.

The Environmental Defense Fund offers 13 scary facts on Friday, the 13th.

NP NowPublic

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