NATIVE FOREST PLANTING — The Maui Dryland Forest Restoration Group is holding a planting trip to the Auwahi native forest enclosure May 26; meet at 'Ulupalakua Ranch Store. Hiking boots required; bring rain gear, 2 liters of water, lunch, sunscreen, hat. Register at auwahi@yahoo.com or (808) 572-4471.

WORM COMPOSTING — Learn the basics of vermicomposting at 1 p.m. Sunday at the Manoa Gardens Elderly Housing Community Center; $30, includes minibin, starter colony and manual. Call 382-0432 or e-mail waikikiworm@hawaii.rr.com.

CLEAN OCEANS CONFERENCE — Volunteers, donations and auction items needed for 4th SOS International Clean Oceans Conference, 8 a.m.-midnight June 9. Contact sos@saveourseas.org or 651-3452.

KANE'OHE WETLAND PROJECT — Help the Hawai'i Audubon Society remove invasive weeds, 8 a.m.-noon Saturday at the Kane'ohe Marine base. Register by tomorrow at 254-2736.

POUHALA MARSH RESTORATION — Pull pickleweed and mangrove at the Waipahu marsh, 8:30-11:30 a.m. Saturday, in a Hawai'i Nature Center project. 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.

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