WORM WORKSHOP — Learn how worms can recycle paper and food waste into compost at 9:30 a.m. Saturday at Manoa Gardens Elderly Housing community center, 2790 Kahaloa Drive; $30 materials fee includes minibin, starter colony and manual. Register at 382-0432 or waikikiworm@hawaii.rr.com.

GAY/LESBIAN TRAIL-CLEARING HIKE — Join the Sierra Club Sunday at Kawainui, Hale'iwa, with lunch and swimming. Open to all; call 538-6616.

HALEAKALA FRIENDS — The Friends of Haleakala National Park have scheduled a services trip Aug. 9-12 in the crater, to plant native plants or remove invasive species, with time left to relax and explore. Crater helpers will stay at Kapalaoa Cabin. Space is limited; call (808) 248-7660 or visit www.fhnp.org.

KANE'OHE WETLAND PROJECT — Volunteers are needed Aug. 12 to help the Sierra Club clear a wetland of mangrove to create a habitat for endangered water birds at Marine Corps Base Hawai'i. Volunteers must provide name and Social Security number in advance and bring a signed waiver. Call Annette Kaohelauli'i at 235-5431.

WEED & SEED KICKOFF — Join the launch of two-year neighborhood kokua efforts from 8:30-11 a.m. Aug. 12 in Ala Moana/Sheridan, Kalihi Valley and 'Ewa areas. Projects include Makiki Stream cleanup, anti-graffiti projects and neighborhood patrols. For Ala Moana/Sheridan, contact Reina Miyamoto at weedseedy @hotmail.com or 223-5171; for Kalihi area, contact Melissa Chun at fcmchun@pacthawaii.org or 792-9740; for 'Ewa, contact Gale Braceros at weedseedewa@yahoo.com or 689-4182, ext. 305.

POUHALA MARSH RESTORATION — The Hawai'i Nature Center needs volunteers to pull pickleweed and mangrove at Pouhala Marsh in Waipahu from 8:30-11:30 a.m. Aug. 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.

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 work on nursery plants and perform other work. Tools, gloves and drinking water provided; bring sunscreen, wear shoes.

KANAHA POND — Join Native Hawaiian Plant Society volunteers at Kanaha Pond Wildlife Sanctuary 7:30-11 a.m. Thursdays for weeding and brush cutting; work also done at Maui Ocean Land Trust wetlands. (808) 572-6338.

MAUI TRAIL CREWS — Na Ala Hele volunteers meet Saturdays, Sundays and Tuesdays to build and clean Maui trails. Leave from Kahului Baseyard at 7:30 a.m.; bring lunch, water and sturdy shoes; tools and transportation provided. (808) 873-3509 or mark.a.peyton@hawaii.gov.

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