KANE'OHE WETLAND PROJECT — Volunteers are needed Saturday to help the Sierra Club remove mangrove and other invasive species from wetlands on Marine Corps Base Hawai'i to create habitat for endangered water birds. Submit name and contact information by Feb. 7 to Annette Kaohelaulii at 235-5431.

CRATER OVERNIGHTER — The Friends of Haleakala National Park will conduct cabin maintenance, invasive-species removal or other work during service trips Feb. 16-18 to Kapalaoa Cabin. Before signing up, go to www.fhnp.org, create an account, log into the account to learn more and certify your readiness for service trips. For reservations, call Farley at 248-7660 or Matt at 876-1673.

MAKIKI WAI HELPERS — The O'ahu Na Ala Hele Trails and Access program and the Hawai'i Nature Center need volunteers 9 a.m.-2 p.m. Feb. 23 to weed, pick up branches, plant, water and fertilize native plants as part of the Makiki WAI (Watershed Awareness Initiative) forest restoration project. Bring long pants, long-sleeved shirt, shoes or boots, gloves, insect repellent, water and lunch. Meet at Makiki Forestry Baseyard; families welcome. Call Aaron Lowe at 973-9782.

THURSDAY WORKDAYS — Join the Nature Conservancy 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 base yard. Contact Lynette Williams at 621-2008.

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 weed, rake, trim or transplant nursery plants, and perform other beautification and maintenance work. Tools, gloves and drinking water provided; bring sunscreen, wear shoes.