New York Times: The global carbon market rose to 8.2 billion metric tons of carbon dioxide equivalent in 2009, according to a consulting firm. In spite of the global economic slowdown, the market for trading carbon dioxide jumped by 68 percent last year compared with the previous year, but the value of the market remained roughly unchanged after carbon prices fell. The global carbon market rose to 8.2 billion metric tons — or gigatons — of carbon dioxide equivalent, according to the …