KA'ALA KIPUKA — Help remove fallen trees and plant native ground cover Saturday at Ka'ala Kipuka, Ka'ala Farm's attempt to re-create easily accessible native dry forest. Call Randy Ching, 942-0145.

EDGE OF REEF INTERPRETERS — Waikiki Aquarium needs volunteer docents who can commit to one three-hour shift per week from October to May to take class tours through the aquarium. Four-week training starts Tuesday, with classes Tuesday and Thursday evenings and Saturday mornings. Call 440-9020.

MOKAUEA KIAWE REMOVAL — O'ahu Invasive Species Committee and Kai Makana will remove kiawe from Mokauea Island from 8:45 a.m.-1 p.m. Saturday. Bring long-sleeve shirt, long pants, thick-soled shoes, gloves, water, sunscreen, hat, lunch; see map of Sand Island meeting spot at www.oahuisc.org. RSVP to oisc@hawaii.edu or 286-4616 by Thursday.

QUICK KAWAI NUI CLEANUP — Windward Ahupua'a Alliance will hold a Quick-n-Dirty Cleanup of Kawai Nui waterway and Hamakua Marsh 12:30-2 p.m. Sept. 9, with a pau hana party 2:15-4 p.m. HI-5¢ beverage containers will be collected 10 a.m.-1:30 p.m. Pre-registration not required. Call Jim or Shannon Wood at 223-4481 or 247-6366, ext. 1.

GET THE DRIFT & BAG IT — Sign up for annual Save Our Seas and the Ocean Conservancy's International Coastal Cleanup on Sept. 15. Get supplies and data cards from Paul Clark at 808-651-3452 or e-mail Paul@SaveOurSeas.org. Sierra Club event at 8:30 a.m. at Campbell National Wildlife Refuge, Kahuku; call Annette Kaohelaulii, 235-5431. In Maui County, Community Work Day Program is coordinating shoreline cleanups; call 877-2524.

POUHALA MARSH RESTORATION — Hawai'i Nature Center is restoring Pouhala Marsh in Waipahu. Volunteers are needed to pull pickleweed and mangrove, 8:30-11:30 a.m. Sept. 15. 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.

SANDY BEACH CLEANUP — Join the Sierra Club from 8:30-10:30 a.m. Sept. 16 for cleanup of highway and coastal areas. Meet at the east restroom at Sandy Beach Park. Children must have signed waiver from parent/guardian. Call Deborah Blair, 955-4168.

WORM COMPOSTING — Learn the basics of vermicomposting at 9:30 a.m. Sept. 15 at Christ Church Uniting, 1300 Kailua Road, and at 1 p.m. Sept. 16 at Manoa Gardens Elderly Housing Community Center, 2790 Kahaloa Drive; $30, includes minibin, starter colony and manual. To register, call 382-0432 or e-mail waikikiworm@hawaii.rr.com.

CRATER OVERNIGHTER — Friends of Haleakala National Park will conduct a service trip Sept. 22-24 to weed thistle at Paliku Cabin. Call 808-248-7660.

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 2247-6366, 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.

CHUN'S REEF CLEANUP — Join Adopt-A-Beach Hawaii and Save The Sea Turtles International at noon Sept. 23 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 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.