Vidya Balan pledges support for Earth Hour 2011

Bollywood actress Vidya Balan has urged Indians not just to switch off lights during WWF's Earth Hour 2011 campaign, but to go beyond the hour and protect the earth from the issue of climate change.The Earth Hour will be celebrated Saturday at 8.30 p.m."As the effects of climate change become more prevalent and more powerful, it is up to each one of us to take ownership of our collective future.