Downsview United Church, 2822 Keele St., will celebrate Earth Hour Saturday, March 23 at 6 p.m.

Attendees of the event are asked to bring a pot luck dish and enough plates, cups and cutlery for their group.

Earth Hour started in Sydney, Australia, in 2007 by the World Wildlife Fund (WWF), with Toronto joining in 2009.

During Earth Hour, people are asked to turn off their lights from 8:30 to 9:30 p.m. to in a symbolic call to politicians to stop climate change.

For details about the pot luck, visit www.downsviewuc.com

For details about Earth Hour, visit www.earthhour.org