NATIVE FOREST PLANTING — The Maui Dryland Forest Restoration Group is holding a planting trip to the Auwahi native forest enclosure from 8 a.m.-4 p.m. Saturday; meet at 'Ulupalakua Ranch Store. Hiking boots required; bring raingear, two liters of water, lunch, sunscreen, hat. Register by e-mailing auwahi@yahoo.com or call 808-572-4471.

CHUN'S REEF CLEANUP — Join Adopt-A-Beach Hawaii and Save The Sea Turtles International at noon Sunday for 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.seaturtlesinternational.com or call 637-2211.

ALA WAI CLEANUP — Join Sierra Club for Ala Wai Small Boat Harbor cleanup Sept. 29. Meet at 8 a.m. at the harbormaster's office. Bring sturdy shoes, hat, thick rubber gloves, sunscreen, water. Call Deborah Blair, 955-4168.

THURSDAY WORKDAYS — Join the Nature Conservancy from 8 a.m.-4 p.m. Thursdays at the Honouliuli Preserve in Kunia for volunteer work trips requiring hiking and moderately strenuous activity removing invasive species, clearing trails, monitoring and repairing fences. Meet at Kunia baseyard. E-mail Lynette Williams at lynette_williams.org or 621-2008.

WANTED: ALLIANCE LEADERS: Windward Ahupua'a Alliance looking to fill director and key volunteer positions by Oct. 1 to continue operations and qualify for grants. Call 247-6366, ext. 1, 224-4496, or visit www.waa-hawaii.org.

SIERRA CLUB BEER NIGHT — Betty Gearan will discuss curbside recycling from 5:30-7:30 p.m. Sept. 26 at Cassis, 66 Queen St.

KANE'OHE WETLAND PROJECT — Volunteers needed Oct. 13 to help the Sierra Club clear a wetland of mangrove to create habitat for endangered water birds at Marine Corps Base Hawai'i. 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.

CRATER OVERNIGHTER — Stay over at Holua Cabin on a Friends of Haleakala National Park service trip to weed heterothica Oct. 20-22. Call 808-248-7660.

LIMAHULI 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.

NATURE CENTER WORKDAYS — Hawai'i Nature Center weekly volunteer workdays are held 10 a.m.-2 p.m. Saturdays at new location, 2131 Makiki Heights Drive; call 988-8995. Tasks include power-washing trailers, painting, planting.

ARBORETUM WORK PARTY — Lyon Arboretum in Manoa holds a volunteer work party at 8 a.m. on the first Saturday of each month. Meet in parking lot, prepared for rain and sun; closed-toe shoes, bug repellent, hat, gloves recommended.

PINE TREE PULLERS — Help remove invasive pines near Maui's Hosmer Grove, 9 a.m.-noon Sundays. Transportation provided at 7:30 a.m. from Harbor Shops, Ma'alaea, and 8:15 a.m. from Mayor Hannibal Tavares Community Center, Pukalani. Closed footwear required; bring water and lunch. Reserve space by calling 808-856-8341.

KOKUA HALEAKALA — Haleakala National Park needs volunteers for trail maintenance, visitor assistance, weed control, cultural demonstrations, library work and clerical help. Transportation from Makawao available. Apply at www.nps.gov/hale/supportyourpark/volunteer-opportunities.htm. Call 808-572-4487.