Iqbal Mario Putranto is likely to celebrate his 30th birthday in the dark. Not because of a failure on the part of electricity company but because he will switch off the lights to show his support for Jakarta’s participation in the Earth Hour campaign. To raise awareness about global warming, Earth Hour asks residents like Iqbal to turn off their lights for just one hour on March 28 – as simple as the flick of a switch. “I’ll be celebrating my birthday at that time. Before the campaign starts at 8:30 p.m., I’ll spend my time with some friends and ask them to do the same,” Iqbal, an employee of a retail company in Jakarta, said. Iqbal signed up for Earth Hour 2009 a week ago; joining what organizers hope will be more than one billion other people across the globe wanting to send a message that individuals really can do something to help prevent climat...