Merinews: Over a thousand cities and half the number of countries of world have already consented to take part in the campaign. Earth Hour 2009 is anticipated to be one of the greatest social movements of the world. ARCHBISHOP DESMOND Tutu, the 1984 Nobel Peace Prize winner, has lent his support to Earth Hour’s global campaign for action on climate change. Earth Hour is a World Wildlife Fund (WWF) initiative that began in Sydney, in 2007, as a one-city campaign, when over two million …