Environmental Defense Fund: Global Warming by the Numbers – 13 Scary Facts
The numbers speak for themselves — we must make 2009 the showdown year for global warming action. There is no time to lose.
Increase in the global carbon dioxide emissions from the burning of fossil fuels since the Kyoto Protocol was signed in 1992.
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.
Length of time changes in the earth’s surface temperature, rainfall, and sea level will remain even after carbon dioxide emissions are completely stopped.
Percentage that 2008’s Arctic seasonal sea ice melt outpaced normal levels.
Increase in the rate of Greenland’s ice melt over the last five years.
Number of days earlier seasons are coming than 50 years ago.
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.
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.
Number of global warming bills passed by the Senate.
Number of global warming bills passed by the House.
- NOAA CO2 Trends
- IPCC Third Assessment Report
- Carbon dioxide in the Earth’s atmosphere
- Atmosphere, Climate & Environment Information Programme
- ESRL News: New Study Shows Climate Change Largely Irreversible
- Arctic Sea Ice News & Analysis
- An Accurate Picture Of Ice Loss In Greenland
- Pine Beetles: Worse Than You Thought
- Early seasons : article : Nature Reports Climate Change
- Hill Heat : Oil and Coal Industries Spending Two Million Dollars a Day to Shape Political Debate