Actor Abhishek Bachchan has urged Indians to switch off lights for one hour on March 27 as part of WWF's Earth Hour 2010 campaign to support action on climate change. He says he will also request the film fraternity to stop shooting schedules during that period.

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"People really need to be educated about about power conservation. I pledge my and my family's support to this initiative. I will, in my power, do whatever to save electricity and will request my friends in the film industry to shut down shootings in studios during the Earth Hour," Abhishek told reporters here Wednesday.

The Earth Hour, which is a concept that originated through WWF in Sydney in 2007, will be observed worldwide March 27 from 8.30 p.m. to 9.30 p.m. The actor has been appointed the Indian brand ambassador for this year's Earth Hour campaign.