The World Wildlife Fund has organized the International Earth Hour every year since 2007 to raise awareness about climate change. Locally, Felix Neck Wildlife Sanctuary is highlighting energy reduction by turning off the lights and offering an exploratory night hike around the grounds for International Earth Hour, on Saturday, March 28. Meet at the sanctuary at 8 p.m.

Cost is $5 for nonmembers and free for members. For more information, call 508-627-4850.