ALA WAI CLEANUP — Join Sierra Club for Ala Wai Boat Harbor cleanup April 5. Meet at 8 a.m. at harbormaster's office. Bring sturdy closed-toe shoes, hat, thick rubber gloves, sunscreen, water. Call Deborah Blair at 955-4168.

KAUA'I GARDEN DOCENTS — The National Tropical Botanical Garden will provide free docent training for its south-shore site from 1 to 3:30 p.m. on Wednesdays beginning April 30 through June 18. Docents lead garden tours and receive training in botany, propagation, conservation, nursery management, customer service. Annual commitment of 72 volunteer hours required. Deadline to apply is April 9. Applications available online at volunteer.ntbg.org or at NTBG headquarters, 3530 Papalina Road, Kalaheo.

MONK SEAL COUNT — Join NOAA Fisheries for semi-annual Hawaiian Monk Seal Count from 10 a.m. to 1 p.m. April 19 on main islands. Contact Nicole Davis at 292-2372 or nicole.davis@noaa.gov.

KULA FOREST RECOVERY — The state Division of Forestry and Wildlife seeks volunteers to help replant burned areas in the Kula Forest Reserve on Maui; call 808-873-3980. To help maintain trails, call Na Ala Hele at 808-873-3509.

MOKAUEA ISLAND PROJECT — Volunteers needed April 19 to help Kai Makana and Mokauea Fishing Village Association create educational center. Transportation to island by outrigger canoe; bring old shoes, hat, sunscreen, water, shorts and T-shirt. E-mail kaimakana@gmail.com to confirm date and receive waiver and directions to project.

KALIHI NATURE PARK — Volunteers needed from 8:30 a.m. to noon April 19 to help develop land-based health program for Kokua Kalihi Valley; work includes weeding, gardening, removing invasive species and replanting native forests. Meet at 3659 Kalihi St.

KOKE'E INTERNS — May 15 is application deadline to apply for summer internships with Koke'e Resource Conservation Program. Must be at least 18; major in biology or conservation preferred. Housing and stipend provided. Visit www.krcp.org or e-mail rcp@aloha.net.

KANE'OHE WETLANDS PROJECT — Volunteers needed April 12 for Sierra Club wetlands service trip on Marine Corps Base Hawai'i. Submit name and contact information by April 10 to Annette Kaohelaulii at 235-5431.

OPERATION POLIHALE — The Division of State Parks and Leadership Kaua'i welcome volunteers to work with Pi'ina Hoku youth program in Operation Polihale from 8 a.m. to noon April 12. Work includes cleanup, plant trimming, fixture repairs, painting, replacement of vehicle barriers at Polihale State Park. Contact Leadership Kaua'i at 808-246-8727.

MARSH RESTORATION — The Hawai'i Nature Center is restoring Pouhala Marsh, the largest remaining wetland in Pearl Harbor. Volunteers needed to pull pickleweed and mangrove from 8:30 to 11:30 a.m. April 12. 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.

CRATER OVERNIGHTER — The Friends of Haleakala National Park will conduct cabin maintenance, invasive species removal or other work April 12-14 at Kapalaoa Cabin. Before signing up, go to www.fhnp.org, create an account, log into the account to learn more and certify readiness for service trips. For reservations, call Farley at 248-7660 or Matt at 876-1673.

CONSERVATION CONFERENCE — Volunteers needed for 2008 Hawaii Conservation Conference July 29-31. Seeking volunteer coordinator and help with audio-visual, exhibits, film festival, registration, souvenir sales; volunteer orientation meeting July 28. Contact Mariza Silva at 587-0061 or silvam@hawaii.edu.