This video shows areas around the world turning off their lights for Earth Hour.
Shown in the video are Bangkok, Beijing, Kuala Lumpur, Jakarta, Moscow, Doha and Zagreb.
More top news
Becoming mostly dry this morning then thundery showers developing during the afternoon.
Police have charged a 29-year-old French man with the murder of a British backpacker in Australia.
Rescuers have worked through the night in an attempt to find survivors from Wednesday's devastating earthquake in central Italy.