Event

The Biggest Hour for Earth is back

Last year, over 410,000 hours were given to our planet by supporters in over 190 countries and territories. This year, we're aiming to make the #BiggestHourForEarth even bigger, and once again create a moment the world can't miss.
 

Give an hour for Earth 

Join the Biggest Hour for Earth by spending  60 minutes doing something - anything - positive for our one shared home.

But who says you can't do good for the planet while having a good time?

This Earth Hour, explore all the ways you can Give an hour for Earth while doing something you love!