Earth Hour
March 28 · Level 6 · #1039 of 2238
Earth Hour is a global environmental event built around switching off lights for one hour. The shared gesture draws attention to nature and the planet's future, with the aim of inspiring action that lasts longer than an evening.
How it is celebrated: households turn off nonessential lights, while participating cities and organizations dim illuminated buildings. People spend the hour talking, walking or joining nature-focused events, keeping lighting needed for safety in use.
The first Earth Hour took place in Sydney in 2007. A movement now associated with darkened landmarks around the world began as an event in a single city.