On Saturday, March 25, join hundreds of millions of people around the world and turn off your lights for one hour to show your commitment to the planet, the starry night sky and our collective fight against climate change and light pollution. Participate in Globe at Night before, during and after Earth Hour (Saturday, March 25, 8:30-9:30pm local time). There’s never been a more timely and important moment for the world to stand in solidarity for the protection of our planet and the starry sky above. To learn more, visit globeatnight.org & earthhour.org.

On Saturday, March 25, join hundreds of millions of people around the world and turn off your lights for one hour to show your commitment to the planet, the starry night sky and our collective fight against climate change and light pollution. Participate in Globe at Night before, during and after Earth Hour (Saturday, March 25, 8:30-9:30pm local time). There’s never been a more timely and important moment for the world to stand in solidarity for the protection of our planet and the starry sky above. To learn more, visit globeatnight.org & earthhour.org.