On Saturday, March 23, at 8:30 p.m., thousands of cities around the world will go dark for one hour during Earth Hour, WWF's annual campaign to raise awareness of the environmental challenges we all face, such as climate change.
On Saturday, March 23, at 8:30 p.m., thousands of cities around the world will go dark for one hour during Earth Hour, WWF's annual campaign to raise awareness of the environmental challenges we all face, such as climate change.
Earth Hour is a simple idea that quickly turned into a global phenomenon. Hundreds of millions of people around the world turn off their lights for one hour on the same night, to focus on the one thing that unites us all—our planet.