CNN — Each year, millions of people from over 190 countries and territories coordinate to turn off their lights for just one hour. The event is part of an annual tradition to raise awareness about ...

Millions globally signalled a new awareness of climate change by turning off their lights for an hour last Saturday night. World landmarks – the Sydney Opera House, San Francisco's Golden Gate Bridge, ...

Climate Programme: reducing our wulnerability. It is often said thar one person alone cannot change the world. However, by taking small actions, thse individual efforts add up to large changes. The ...

Earth Hour was launched in 2007 by the World Wildlife Fund and its partners in Sydney, Australia, according to a news release from the organization. The nonprofit describes Earth Hour as the “largest ...