Wherever you are on Earth at 8 p.m. tonight – that’s 8:30 p.m. on your local clock – switch off your lights to participate in Earth Hour 2012.
Earth Hour – a global action movement organized by the World Wide Fund for Nature (WWF) – isheld on the last Saturday of March each year. It began in Sydney, Australia in 2007. Households and businesses are encouraged to turn off non-essential lights for one hour – from 8:30 p.m. to 9:30 p.m. tonight – to raise awareness about the need to take action on climate change. Earth Hour was conceived by WWF and The Sydney Morning Herald in 2007, when 2.2 million residents of Sydney participated by turning off all non-essential lights. Now cities participate in the event.
Bottom line: Participate in Earth Hour 2012 tonight – March 31, 2012 – by switching off your lights for one hour beginning at 8:30 p.m.