John Holdren, Director, Woods Hole Research Center; Theresa and John Heinz Professor of Environmental Policy; Director of the Program on Science, Technology, and Public Policy, the Kennedy School, Harvard University <br /><br />No one nation can effectively reverse the growing problems caused by our changing climate. Coordinated global efforts - between governments, corporations, and individuals - can help us conserve and develop energy resources, as well as ensure the continued growth of emerging and developed nations. <br /><br />What can political leaders do? What can businesses and investors do? And what can you do?
