PARIS — The Latest on Earth Hour (all times local):8:30 p.m. The tower’s lights normally dominate the Paris skyline after dusk, but are dimmed for major world tragedies and events like Earth Hour. Earth Hour events have spread to more than 180 countries since the movement started in 2007. Over 3,000 corporations in Hong Kong signed up for Earth Hour 2019, according to the WWF Hong Kong website. Beginning in Sydney in 2007, Earth Hour has spread to more than 180 countries, with tens of millions of people joining in.

Source: Washington Post March 30, 2019 19:41 UTC