Earth Hour

What activities can I do when I turn off the lights for Earth Hour?

7 family activities for Earth Hour

15 moments to inspire you to stay outside after sunset

Spider-Man and Earth Hour team up to turn out the lights

Cities go dark for Earth Hour [Photos]

Cutting the lights for Earth Hour

Earth Hour 2012: The dark night rises

Miranda Kerr to host yoga class for Earth Hour

Earth Hour: Protecting the night sky from light pollution

Miranda Kerr named global Earth Hour ambassador

Will Facebook shut down for Earth Hour?

Participate in Earth Lunch Hour