FREE GARDEN MULCH, 9 a.m. to 3 p.m. Saturdays, Hālawa Xeriscape Garden, 99-1269 Iwaena St., self-service; www.boardofwatersupply.com, 748-5041.

HONEYBEE VARROA PROJECT, an islandwide study by the University of Hawai'i College of Tropical Agriculture and Human Resources, asks anyone seeing a wild honeybee colony on O'ahu to call 956-2445; for information, see www.ctahr.hawaii.edu/HoneyBeeVarroa.

FRESH DAYS, sponsored by Kaiser Permanente; shop for affordable, fresh, locally grown produce; information, 432-2270:

• Honolulu Clinic, 9 a.m. to 12:30 p.m. Thursdays, main entrance and lobby area.

• Moanalua Medical Center, 9 a.m. to 12:30 p.m. Wednesdays, main entrance.

• Waipi'o Clinic, 9 a.m. to 12:30 p.m. Wednesdays, front entrance and main lobby.

CITY PEOPLE'S OPEN MARKETS: 25 sites offer weekly sale of agricultural and aquacultural products, ethnic and other food items; information, www.honolulu.gov/parks/programs/pom, 522-7088.

SIERRA CLUB is looking for hike/outing leaders (information, Stan Oka, 429-9814, or Deborah Blair, 955-4168), and for people to sign up as new Facebook friends; information, 538-6616.

KAUA'I GARDEN HELP, volunteers needed to protect rare plants and ecosystems at National Tropical Botanical Garden on Kaua'i; help needed in administration, conservation, education, development, etc.; 808-332-7324, ext. 228, or volunteer@ntbg.org.

MAKIKI FOREST RESTORATION PROJECT, the O'ahu Nā Ala Hele Trails and Access program needs volunteers to weed, pick up branches, plant, water and fertilize native plants as part of the Makiki Watershed Awareness Initiative forest restoration project. Bring long pants, long-sleeved shirt, shoes or boots, gloves, insect repellent, water and lunch; families welcome; 9 a.m.-2 p.m., selected Saturdays monthly; meet at Makiki forestry base yard above new Hawai'i Nature Center (from Makiki Street, take a left onto Makiki Heights Drive; the area entrance is before first hairpin turn); 973-9782.

Niaulani Forest WorkDay, volunteers needed to preserve the rainforest; 9 a.m.-12 p.m. third Sunday of each month, Volcano Art Center, Niaulani campus, Volcano Village, Big Island; 808-967-8222.

TUESDAYS AT KANAHĀ, weekly beach cleanup and plant maintenance, coordinated by Community Pride at Kanahā Beach Park, Maui; 8-10 a.m. Tuesdays, at the park; Valerie Vines Magee, 808-264-1454.

CHUN'S REEF BEACH/COAST CLEANUP, by Adopt-a-Beach Hawaii and Save the Sea Turtles International; 12 p.m. last Saturday monthly, from 61-529 Kamehameha Highway, HaleNormal'iwa; trash bag, gloves and purified water provided; bring hat, sunscreen and beach shoes; 637-2211.

WAIMEA VALLEY offers daily guided activities, including wildlife walks, history walks, native plant walks; fees; information, www.waimeavalley.net, 638-7766.