NEW YORK - APRIL 22: A woman touches the "Earth Ball" April 22, 2009 on top of One Times Square in New York City. The famous ball atop Times Square has been refitted with energy-efficient LED lights and has been re-dubbed the "Earth Ball" in honor of Earth Day and in anticipation of the 40th anniversary of the environmental holiday in 2010. TOPSHOTS / Chris Hondros / Getty Images. Getty Images logo Getty Images 7 months ago

NEW YORK - APRIL 22: A woman touches the "Earth Ball" April 22, 2009 on top of One Times Square in New York City. The famous ball atop Times Square has been refitted with energy-efficient LED lights and has been re-dubbed the "Earth Ball" in honor of Earth Day and in anticipation of the 40th anniversary of the environmental holiday in 2010. TOPSHOTS / Chris Hondros / Getty Images.