Speaking at the Eye on Earth Abu Dhabi 2011 Summit, President Bill Clinton gave one of his famously wide-ranging speeches to make a number of compelling points: we can help the world prepare for the future, but need to come together to do it. Inequality is damaging to us all, for it pushes us apart. We must always show through concrete examples that doing good makes dollar sense. We must push our financial systems to treat renewable
energy sources on the same investment timeframes as conventional projects. And, with more and more people living in cities, dealing with building efficiency is by far the most efficient way of saving massive greenhouse gas emissions.