Carbon dioxide up 2.4 ppm on last year

Here's the sobering bit: The average annual increase of carbon dioxide between 1979 and 2007 is only 1.65 parts per million (ppm). Suddenly, we are measuring a 0.5% rise in a year.Researchers from the National Oceanographic and Atmospheric Administration Earth System Research Laboratory (ESRL) reported new data that shows a higher than usual average increase in carbon dioxide levels over the last