FRANKFURT AM MAIN, GERMANY - FEBRUARY 01: Sheikh Abdul Aziz bin Ali Al Nuaimi of Ajman addresses the Thomas Lloyd Cleantech Congress, on February 1, 2013 in Frankfurt am Main, Germany. Technology and... more 

FRANKFURT AM MAIN, GERMANY - FEBRUARY 01: Sheikh Abdul Aziz bin Ali Al Nuaimi of Ajman addresses the Thomas Lloyd Cleantech Congress, on February 1, 2013 in Frankfurt am Main, Germany. Technology and trends in renewable energies are up for discussion during the congress. (Photo by Hannelore Foerster/Getty Images) less