All events are free unless otherwise indicated.

COMING UP

"NIGHT INSECT SAFARI," a look at the nocturnal world of insects, for ages 6 and older, 6-8 p.m. Nov. 29, Hawai'i Nature Center; $16 for parent/child team; 955-0100, www.hawaiinaturecenter.org.

THE GREEN MARKET eco-gift fair, sponsored by The Green House and others, with activities including making gifts from recycled materials, gift certificates for "sustainable activities," native plants sale, reusable grocery totes and biodegradable supplies sale, etc., 9 a.m.-2 p.m. Dec. 6, Church of the Crossroads; 524-8427, www.thegreenhousehawaii.com.

"GARDEN GREEN HOUR," outdoor green activities for families, 2:303:30 p.m. Wednesdays, through Dec. 10, Wahiawa Botanical Garden; 621-5463.

BE A GREENIE

FREE GARDEN MULCH, available 9 a.m.-3 p.m. Saturdays, Halawa Xeriscape Garden; self-service, bring containers and shovel; 748-5041, www.boardofwatersupply.com.

WAIMEA VALLEY GREETER: Volunteers needed one day a week for 2 1/2 hours; 638-7733.

WEED AND POT CLUB: Maui Nui Botanical Garden's Weed & Pot Club meets 8:30-10:30 a.m. Wednesdays, 150 Kanaloa Ave., Kahului, Maui, to do beautification and maintenance work; tools, gloves, drinking water provided; wear shoes; 249-2798.

NATIONAL GARDEN HELP: Protect rare plants and ecosystems by volunteering at National Tropical Botanical Garden, Kaua'i; help needed in administration, conservation, education, development and more; 808-332-7324, ext. 228; volunteer@ntbg.org.

Niaulani nature walk, guided tour through an old-growth forest; 9:30 a.m. Mondays; from Volcano Art Center, Niaulani campus, Volcano Village, Big Island; 808-967-8222, www.volcanoartcenter.org.

Niaulani Forest WorkDay: Volunteer to preserve the beauty and diversity of the rainforest; 9 a.m.-noon, third Sunday of each month; Volcano Art Center, Niaulani campus, Volcano Village, Big Island; 808-967-8222.

TUESDAYS AT KANAHA, weekly beach cleanup and plant maintenance, coordinated by Community Pride at Kanaha Beach Park, Maui, 8-10 a.m. Tuesdays, at the park; Valerie Vines Magee, 808-264-1454.

MAKIKI FOREST RESTORATION PROJECT, volunteers needed to weed; pick up branches; and plant, water and fertilize native plants as part of Makiki Watershed Awareness Initiative forest restoration project. 9 a.m.-2 p.m., fourth Saturday of each month; 973-9782.

Send announcements, with contact name and phone number, to: For the Environment, Island Life, The Advertiser, P.O. Box 3110, Honolulu, HI 96802; or islandlife@honoluluadvertiser.com, with "For the Environment" in the subject line. Deadline is 10 days before the event.