Recent GlobeScan polling indicates that there is a leadership vacuum among the institutions we expect to lead on sustainable development – national governments, the private sector, and multilateral organizations. Despite poor ratings of past performance, polling indicates that national governments and the private sector are still expected to lead the way forward on the sustainable development agenda. What role should the private sector play in the years ahead? What does 21st century corporate sustainability leadership look like? Leaders from three top companies will share their strategies for approaching the most pressing challenges of our time.