WASHINGTON - APRIL 20: IBM Executive Vice President Nicolas Donofrio speaks at the Green Apple Festival April 20, 2008 in Washington, DC. The free concert, one of eight nationwide, is meant to put pressure on Congress to take action on global warming. Getty Images logo Getty Images 20 months ago

WASHINGTON - APRIL 20: IBM Executive Vice President Nicolas Donofrio speaks at the Green Apple Festival April 20, 2008 in Washington, DC. The free concert, one of eight nationwide, is meant to put pressure on Congress to take action on global warming.