A lightning show was the brightest part of Sydney's skyline during Earth Hour, which began at 8 p.m. when the lights were turned off at the city's landmarks. Most businesses and homes were already ...

Earth Hour was created by the World Wildlife Fund (WWF) in Sydney in 2007 as a symbolic lights-out event to raise awareness about climate change. Held annually on the last Saturday of March, it ...

Sydney Opera House was one of the world’s most famous landmarks to dim their lights in an act of environmental solidarity. ©ThinkMammoth People around the world dedicated nearly three million hours of ...

The Sydney Opera House and Harbour Bridge went dark for an hour Saturday, kicking off a global campaign that will see landmark buildings around the world dim their lights to raise awareness about the ...

Earth Hour’s founding city of Sydney, Australia has helped launch the 2010 event with another resounding participation in the now-global call for a more harmonious relationship between humans and ...

Earth Hour is a global environmental initiative which is set to be marked today on March 22, 2025. Organised by the World Wide Fund for Nature (WWF), the annual event encourages every individual, ...

CHICAGO — From the Sydney Opera House to Rome's Colosseum to the Sears Tower's famous antennas in Chicago, floodlit icons of civilization went dark Saturday for Earth Hour, a worldwide campaign to ...