Reuters: Voluntary carbon markets in the United States will grow especially at the regional level even if a stalled federal climate bill fails to impose “cap and trade” on American industry, the chairman of the Chicago Climate Exchange (CCX) said on Tuesday. “I think we will continue to see interest in voluntary carbon markets … And I would expect that without a federal law you will continue to see growth in regional initiatives in the United States,” Richard Sandor, the exchange’s founder, …