WWF's Earth Hour shows us how each of us can be heroes for our planet, our home. Our actions today can change our tomorrow - together, let's #ChangeClimateChange. Join the movement at http://www.earthhour.org/ClimateAction/ today. Earth Hour 2017 will take place on Saturday 25 March 8:30 p.m. local time. Let us know what country you are in and how will you be celebrating by posting in the comments below. Watch video