Swati Thiyagarajan | Saturday March 25, 2017
So for one hour tonight, at 8.30, people are asked to turn off their lights. It's Earth Hour, and in the last ten years, this initiative by the WWF is perhaps the world's largest environment event encompassing 7,000 towns and cities and millions of people. The initiative was started as an awareness campaign on climate change. While that is still the focus of Earth Hou...