New York City's skyline looked a little darker Saturday night without the Empire State Building's lights.

People around the world are being asked to turn off the lights for one hour on Saturday. It's part of Earth Hour, an event that encourages participation in fighting climate change. The World ...

Earth Hour 2025 aims to create the Biggest Hour for Earth with its call-to-action “Give an hour for Earth”. It encourages participants from all walks of life, around the world, to share their ...

Earth Hour 2025 sees global participation soar Posted on marzo, 27 2025 Sydney Opera House was one of the world’s most famous landmarks to dim their lights in an act of environmental solidarity.