The Sierra Club of North Jersey hosts its “Party to Celebrate Nature,” a family-friendly spring benefit, on Sunday, June 11, from 5 to 8 p.m., at the Flat Rock Brook Nature Center in Englewood. It will include a guided nature hike at 4.

Festivities feature a live animal presentation, tricky-tray auction, live music, and food, including kosher selections. Paul Kaufman, an authority on environmental principles and concepts in Judaism and GreenFaith’s advocacy director, is among the speakers.

For information, email or call (201) 567-4994.