The world pumped up its pollution of the chief man-made global warming gas last year, setting a course that could push beyond leading scientists' projected worst-case scenario, international researchers said Thursday.
The new numbers, called "scary" by some, were a surprise because scientists thought an economic downturn would slow energy use. Instead, carbon dioxide output jumped 3 percent from 2006 to 2007.
Friday, September 26, 2008
Carbon dioxide output jumps to record level in 2007