This year’s Earth Hour is going to be held tonight, March 27, 2021 at 8:30PM local time.

As always, this event encourages everyone to turn off their non-essential lights for an hour to help reduce our cumulative consumption. While it may be small and controversial to some extent, the event reminds us to think about our home planet.

And if you’re wondering what you can do during the event, here are 20+ activity suggestions from the organizers.