LITTER BUGS MAUI — Community Work Day is coordinating Litter Bugs Me cleanups at harbors, parks, historic sites, beaches and other spots around Maui, 8 a.m.-noon Saturday. Trash bags and gloves provided; call (808) 877-2524.

WORM COMPOSTING — Learn vermicomposting at 1 p.m. July 29, at Manoa Gardens Elderly Housing Community Center, 2790 Kahaloa Drive; $30, includes minibin, starter colony and manual. Call 382-0432 or e-mail waikikiworm@hawaii.rr.com.

SIERRA CLUB BEER NIGHT — Hear presentations on timely environmental topics and learn how to get involved, 5:30-7:30 p.m. on the following evenings, Cassis at 66 Queen St.: July 25, outings and service projects with Randy Ching; Aug. 22, global warming update with Jeff Mikulina; Sept. 26, curbside recycling with Betty Gearan.

KANE'OHE WETLAND PROJECT — Volunteers needed Aug. 11 to help the Sierra Club clear mangrove to create habitat for endangered water birds at Marine Corps Base Hawaii. Because the base is a secured military facility, volunteers must provide name and Social Security number in advance and bring a signed waiver. Call Deborah Blair, 955-4168.

POUHALA MARSH RESTORATION — The Hawai'i Nature Center is restoring Pouhala Marsh in Waipahu. Volunteers are needed to pull pickleweed and mangrove 8:30-11:30 a.m. Aug. 18. Bring work gloves, water, hat, sunscreen, towel and change of clothes; covered footwear and long pants required. Contact Pauline Kawamata at 955-0100, ext. 18.

THURSDAY HELPERS — Kaua'i's Limahuli Garden & Preserve of the National Tropical Botanical Garden seeks volunteers to restore native forest Thursdays, 8-11 a.m. Call Lahela Correa, (808) 826-1053, or Lea Taddonio, (808) 332-7324, ext. 228.

CHUN'S REEF CLEANUP — Join Adopt-A-Beach Hawaii and Save The Sea Turtles International at noon July 28 for a Chun's Reef Beach highway and coastal cleanup. Trash bag, gloves and purified water provided; bring hat, sunscreen and beach shoes. Meet at 61-529 Kamehameha Highway, Hale'iwa. See www.seaturtles international.com or call 637-2211.

Send listings to: For the Environment, P.O. Box 156, Wailuku, HI 96793; cwilson@honoluluadvertiser.com; or fax (808) 242-1520.