Offset aggregators serve as the administrative representative, on behalf of offset project owners, of multiple offset-generating projects. Chicago Climate Exchange (CCX) is owned by Climate Exchange plc, a publicly traded company listed on the AIM division of the London Stock Exchange (CLE.L), and is North America's only cap and trade system for all six greenhouse gases.

"We are pleased to become the latest member of CCX and add to our already extensive energy product offering and broad market access," said Grattan MacGiffin, Head of Voluntary Carbon Markets, MF Global. "As a leader in the global energy markets, we're committed to helping our clients capture market opportunities and see great potential for expansion of the U.S. carbon market and environmental initiatives."

"MF Global's membership with CCX is an important part of the effort to advance cost-effective climate solutions and broaden market participation," said Dr. Richard L. Sandor, Chairman of CCX and Executive Chairman of Climate Exchange plc. "I congratulate MF Global and their leadership for taking this step to strengthen innovation and efficiency in mitigation efforts and encourage investment in the development of environmental technologies."