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 ...

This year’s Earth Hour also served as a stark reminder of the twin crises we face—climate change and nature loss. Nature is disappearing at an alarming rate, and this past year was officially the ...

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 ...

Earth is the one home we all share, and it is our responsibility to care for it and participate in any activity that increases our awareness of our Earth. Show solidarity for our planet, stand in ...

SHANGHAI, March 22, 2025 /PRNewswire/ -- Qn-SOLAR, a rising star in clean energy solutions, has announced a major breakthrough in perovskite solar technology, aligning with the Earth Hour 2025 theme, ...