Environmental Defense Fund: Global Warming by the Numbers - 13 Scary Facts
Friday the 13th just got a little scarier. Here are 13 facts about the realities of global warming.
The numbers speak for themselves — we must make 2009 the showdown year for global warming action. There is no time to lose.
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.
