CHICAGO — The Chicago Bungalow Association is offering residents a chance to win $100 for helping the environment on Earth Day.

The group is asking people to turn off non-essential lights from 8-9 p.m. on April 22, otherwise known as Earth Day. Those who participate and post a photo of their “candlelit evening or your dark streetscape” with the hashtag #BungalowBlackout will be entered to win a $100 Walgreens gift card, according to the association.

And though the association is specifically calling on people in bungalows and vintage homes to join in on April 22, people living in any kind of Chicago home can participate and enter for a chance to win the gift card.

The event was inspired by Earth Hour, when the World Wide Fund for Nature calls on people to turn off lights for an hour as a way of advocating for the environment. Earth Hour occurred on March 30 this year.