MAKIKI WAI HELPERS — The state Department of Land and Natural Resources and the Hawai'i Nature Center need help 9 a.m.-2 p.m. Saturday to make trail improvements, remove weeds and plant native plants along the Makiki trail, as part of the Makiki Wai (Watershed Awareness Initiative). Bring long pants, long-sleeved shirt, shoes or boots, gloves, insect repellent, water and lunch. Meet at the Makiki Forestry Baseyard. For directions and information: 973-9782 or www.hawaiitrails.org/trail.asp?TrailID=OA+19+004&island=Oahu.

KOKUA KALIHI VALLEY — Saturday is the next workday to help the Sierra Club clear a former nursery site for a park in upper Kalihi Valley. Call Arlene Buchholz at 988-9806.

HALEAKALA VOLUNTEERS — Haleakala National Park has volunteer opportunities for youths to adults. Opportunities range from four hours to several months and include duties as visitor center and naturalist docents, receptionist, cultural demonstrator, sunrise visitor assistant, trail maintenance workers and interns. For more information, see www.nps.gov/hale, call (808) 572-4487 or e-mail HALE_VIP_Coordinator@nps.gov.

WEED & POT CLUB — Maui Nui Botanical Garden's Weed & Pot Club meets 8:30-10:30 a.m. Wednesdays at 150 Kanaloa Ave. in Kahului to work on nursery plants and perform other work. Tools, gloves and drinking water provided; bring sunscreen, wear shoes.

KANAHA POND — Join Native Hawaiian Plant Society volunteers at Kanaha Pond Wildlife Sanctuary 7:30-11 a.m. Thursdays for weeding and brush cutting; work also done at Maui Ocean Land Trust wetlands. 572-6338.

MAUI TRAIL CREWS — Na Ala Hele volunteers meet Saturdays, Sundays and Tuesdays to build and clean Maui trails. Leave from Kahului Baseyard at 7:30 a.m.; bring lunch, water and sturdy shoes; tools and transportation provided. (808) 873-3509 or mark.a.peyton@hawaii.gov.

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