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

ALOHA 'AINA EARTH DAY — The 31st Recycling Community Cleanup Project will allow residents to dispose of bulky items and recyclables, 8 a.m.-2 p.m. Saturday at Wai'anae Small Boat Harbor. Accepted will be scrap metal, auto parts, bicycles, metal appliances, lawn mowers, newspapers, cardboard, HI-5¢ containers, tires, green waste, computers, fishing nets and more. Volunteers, vans and pickup trucks needed. For bulky-item curbside pickup, call Kimo Kelii at 781-2734 or Rene Mansho at 306-1876. Proceeds will benefit Nanakuli High School, Nani O Wai'anae and Pai'olu Kai'aulu.

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. today, 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 the annual Save Our Seas' and Ocean Conservancy's International Coastal Cleanup on Saturday. Get supplies and data cards from Paul Clark at 808-651-3452 or e-mail Paul@SaveOurSeas.org. Sierra Club event 8:30 a.m. at Campbell National Wildlife Refuge, Kahuku; call Annette Kaohelaulii, 235-5431. In Maui County, the 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. Saturday. 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.

WORM COMPOSTING — Learn the basics of vermicomposting at 9:30 a.m. Saturday 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.

SANDY BEACH CLEANUP — Join the Sierra Club 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.

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.