although the volume of global carbon transactions increased 80 percent between 2008 and 2009, average global carbon prices fell from us $28 to $17 per ton of carbon dioxide-equivalent (co2e), according to our latest vital signs online trend.
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Although the volume of global carbon transactions increased 80 percent between 2008 and 2009, average global carbon prices fell from US $28 to $17 per ton of carbon dioxide-equivalent (CO2e), according to our latest Vital Signs Online trend.