Earth Hour will be observed across the world from 8:30 pm to 9:30 pm on Saturday.
People will turn off all non-essential lights to raise awareness about environmental challenges at the specified time.
Actor Arjun Kapoor has been announced as the national brand ambassador of the environmental campaign ‘ Earth Hour 2014 ‘.
Earth Hour is a worldwide movement for the planet organised by the World Wildlife Fund for Nature (WWF) and engages a massive mainstream community on a broad range of environmental issues. (ANI)