All events free unless otherwise indicated.

SPECIAL

TRAIL GRANT PROGRAM; the American Hiking Society is offering grants up to $5,000 to help maintain hiking trails through its 2009 National Trails Fund; apply by Aug. 15; www.AmericanHiking.org.

COMING UP

PALISADES ADOPT-A-BLOCK; meet at the bus stop across from Leeward Community Church in Pearl City for project sponsored by city Department of Environmental Services; 7:30-9:30 a.m. July 19; Iwalani Sato at 780-8872 or www.cleanwaterhonolulu.com.

MALAMA NA POHAKU; join 'Ahahui Malama i ka Lokahi for weeding, hauling mulch, cutting hau and working in wetland bird habitat at Na Pohaku o Hauwahine on Kapa'a Quarry Road; bring covered shoes, gloves, cutting or digging tool, water and snack; 8:30 a.m.-12:30 p.m. July 19. Kaimi Scudder at 593-0112 or Malia Bird Helela at hemanumalia@hotmail.com.

WAHIAWA STORM DRAIN STENCILING; meet at Ho'ala School for project sponsored by city Department of Environmental Services; 8:30-11 a.m. July 22. Iwalani Sato at 780-8872 or www.cleanwaterhonolulu.com.

SUSTAINABILITY PANEL DISCUSSIONS; part of Rediscover Makiki Sunset in the Park, sponsored by city Department of Environmental Services; 4-10 p.m. July 25-26. Iwalani Sato at 780-8872 or www.cleanwaterhonolulu.com.

HAWAI'I STATE FARM FAIR; live farm animals, a petting zoo, a country market, plant sales, chefs and food, entertainment, food demonstrations, workshops, agricultural-related contests, and more;10 a.m.-10 p.m. July 26 and 9 a.m.-5 p.m. July 27, Bishop Museum; admission $5 ($3 children 4-12); 375-6489.

WORM COMPOSTING WORKSHOP; learn vermicomposting, or recycling with earthworms, which eat household food and paper waste and produce valuable organic fertilizer for your garden and houseplants; $30 fee includes mini-bin and starter colony of worms; 1 p.m. July 27, Manoa Gardens Elderly Housing Community Center, 2790 Kahaloa Drive; registration: 382-0432, waikikiworm@hawaii.rr.com.

SUSTAINABLE FOOD SYSTEMS O'AHU CONFERENCE, discussions of islandwide food projects, community gardens, green roofs, and more; registration: $50 (discounts available); 8:30 a.m.-4:30 p.m. July 31 at the KEY Project Multi-Purpose Center, 47-200 Waihe'e Road, Kane'ohe; David A. Santistevan, executive director of Laulima Eco-friendly Alliance of Farms, 389-1819 or www.leafhawaii.org.

BE A GREENIE

CONSERVATION CONFERENCE; volunteers needed for 2008 Hawai'i Conservation Conference to be held July 29-31. Seeking volunteer coordinator and help with audio-visual, exhibits, film festival, registration, souvenir sales; volunteer orientation on July 28. Mariza Silva, 587-0061 or silvam@hawaii.edu.

WAIMEA VALLEY GREETER; volunteers sought to work one day a week for 2 1/2 hours. Kelly Perry at 638-7766, ext. 203.

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 weed, rake, trim or transplant nursery plants, and perform other beautification and maintenance work; tools, gloves and drinking water provided; bring sunscreen, wear shoes; 249-2798.

NATIONAL GARDEN HELP; protect rare plants and ecosystems by volunteering at National Tropical Botanical Garden, Kaua'i; Help needed in administration, conservation, education, development, gardening support and special events, with north and south shore positions available; 808-332-7324, ext. 228, or volunteer@ntbg.org.

Send announcements, with contact name and phone number, to: For the Environment, Island Life, The Advertiser, P.O. Box 3110, Honolulu, HI 96802; or islandlife@honoluluadvertiser.com, with "For the Environment" in the subject line.