The U.S. Chamber of Commerce's corporate citizenship affiliate hosted its first environmental sustainability event this week in Las Vegas. But can the group effectively and authentically lead a discussion about environmental innovation given the U.S. Chamber's  opposition to any climate change legislation?

While global businesses have made gains to improve their energy efficiency and reduce carbon footprints, more needs to be done upstream and on a sector-basis, UNFCCC Executive Secretary Christiana Figueres told business leaders over the weekend.