TARO PATCH HELPERS — The Honokohau Valley Association of Maui is restoring taro patches, with volunteers needed 8-11 a.m. Sundays. Bring water and lunch. Call 573-3250.

BIG ISLE COMPOSTING — Learn how to compost green waste and kitchen scraps at an intermediate/advanced composting class 1-3 p.m. Saturday at the University of Hawai'i Komohana Extension and April 15 at Laakea Community Center; $10 for adults, kids free. To register call (808) 937-2233.

WEED WARRIORS — Student volunteers age 14 and up can help the Maui Invasive Species Committee pull ginger from Waikamoi rain forest April 22. Reservations and parent approval required; contact Shannon Wianecki at (808) 573-MISC (6472) or hoikeinfo@yahoo.com.

GREAT AMERICAN CLEANUP — Groups across the state are conducting volunteer cleanups, building restorations, plantings and other beautification projects through May 31, highlighted by Keep Hawai'i Beautiful Day on April 29. For more information, call Katy Kok and Nani O Wai'anae at 696-1920; Maui Community Work Day Program at (808) 877-2524; Mabel DeSilva at Keep Hawai'i Beautiful on the Big Island at (808) 934-9833; Eddie Sarita on Kaua'i at (808) 241-6623; the Rev. Bob Alpers on Lana'i at 565-6902; or Zachary Helm on Moloka'i at (808) 553-3204.

HALEAKALA OVERNIGHTER — The Friends of Haleakala National Park will conduct a service trip Friday to April 10 to remove invasive species, trim weeds and restore nene habitat, with stays at the Paliku and Holua cabins. Call (808) 876-1673.

KANE'OHE WETLAND PROJECT — Volunteers are needed Saturday to help the Sierra Club clear a wetland of mangrove to create habitat for endangered water birds at Marine Corps Base Hawai'i. Because the base is a secured military facility, volunteers must provide name and Social Security number in advance and bring a signed waiver. Call Annette Kaohelauli'i at 235-5431.

EARTH DAY PLANNERS — Windward Ahupua'a Alliance seeks help in coordinating an Earth Day event April 22 in the Kawai Nui Marsh area, where focus will be on invasive-species removal. Contact Shannon Wood at 247-6366, 223-5535 or info@waa-hawaii.org.

KANAHA RESTORATION — Volunteers are needed daily for brush removal, rubbish pickup, planting and watering at Maui's Kanaha Beach Park. Contact Community Work Day at (808) 877-2524, cwdkhb@pixi.com or www.hear.org/naturalareas /kanahabeach.

KONA MULCH GIVEAWAY — Free mulch available at the Kealakehe/Kona Transfer Station's green waste area, 6:30 a.m.-6:30 p.m. daily; bring pitchfork. Loading assistance provided from 7 a.m. to 4 p.m.

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