CHRISTMAS BIRD COUNT — Novice and experienced bird-watchers may join the Hawaii Audubon Society's annual Christmas bird count, Dec. 14-Jan. 5. Honolulu bird count will be Dec. 16; e-mail snovakz@juno.com. Waipi'o bird count on Jan. 5; e-mail bremerd001.hawaii.rr.com. Hawaii Audubon Society meeting will provide bird identification information 6:30-8:30 p.m. tomorrow, St. John Hall, Room 011, University of Hawai'i-Manoa. Visit www.hawaiiaudubon.com/xmas.html for information.

LANIPO TRAIL CLEARING — Sierra Club and O'ahu Invasive Species Committee will clear Himalayan blackberry from Lanipo Trail Saturday. Meet 8 a.m. at Church of the Crossroads; bring hiking boots, long pants, rain jacket, water, lunch, hat, sunscreen. RSVP at 286-4616 or oisc@hawaii.edu.

MALAMA ULUPO HEIAU — Help the Kailua Hawaiian Civic Club and 'Ahahui Malama i ka Lokahi restore Ulupo Heiau, 8:30 a.m.-12:30 p.m. Saturday. Meet at parking area by heiau and behind Windward YMCA; bring lunch, water, rain gear, sunscreen, work gloves, tools. Contact Kaimi Scudder at 593-0112 or email@ahahui.net.

KANE'OHE WETLAND PROJECT — Volunteers needed Saturday to help the Sierra Club remove mangrove and other invasive species from wetlands on Marine Corps Base Hawaii to create a habitat for endangered waterbirds. Submit name and contact information by Thursday to Annette Kaohelaulii at 235-5431.

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

CHUN'S REEF CLEANUP — Join Adopt-A-Beach Hawaii and Save The Sea Turtles International at noon Dec. 15 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.seaturtles international.com or call 637-2211.

CRATER OVERNIGHTER — The Friends of Haleakala National Park will conduct a service trip Dec. 15-17 to plant native grasses, shrubs and trees as part of a restoration project. Accommodations at Kapalaoa Cabin. Call Farley Jacob at 808-248-7660.

BIRD BANDERS — Volunteers are needed to assist in bird banding and data collection to investigate malaria in native and introduced birds on O'ahu. Must be able to hike moderate distances and carry equipment. Contact Kira Krend at krend @hawaii.edu.

WEED & POT CLUB — Maui Nui Botanical Garden's Weed & Pot Club meets 8:30-10:30 a.m. Wednesdays, 150 Kanaloa Ave., Kahului; weed, rake, trim, transplant nursery plants. Tools, gloves, drinking water provided; bring sunscreen, wear shoes.

LIMAHULI HELPERS — Kaua'i's Limahuli Garden & Preserve of the National Tropical Botanical Garden seeks volunteers to restore native forest on 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 volunteer workdays are 10 a.m.-2 p.m. Saturdays, 2131 Makiki Heights Drive; 988-8995. Tasks include power-washing trailers, painting, planting.

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