All events are free unless otherwise indicated.

COMING UP

UH-MANOA VOLUNTEER planting DAY, to lay mulch and plant shade trees, ground cover, shrubs and native vegetation, 9 a.m.-noon (check in 8 -8:30 a.m.), Jan. 19, start at guard shack near Kahanamoku Pool, lower campus; register: adamsrox@hawaii.edu; 956-0391.

RENEWING AMERICA TOGETHER NATIONAL DAY OF SERVICE, effort by Sierra Club to recreate a native dry forest at Ka'ala Farm, including removing alien plants and planting native trees, 8:30 a.m. Jan. 19, Ka'ala Cultural Learning Center parking lot, Wai'anae, (followed by mini-tour of center); 696-4954.

"FOCUS GREEN" DISCUSSION, by explorer and storyteller, Mark Plotkin, 6 p.m. Jan. 22, Maui Arts and Cultural Center, sponsored by Dowling Co. Inc.; $5 (students free), proceeds to Hawai'i Nature Center, Maui; 808-270-0567.

"COASTAL ILLUMINATION: LASER IMAGING OF O'AHU BEACH CHANGE," lecture by Ben Brooks, associate researcher, UH Hawai'i Institute of Geophysics and Planetology, part of a series of Hanauma Bay Education Program lectures, 6:30 p.m., Jan. 22, Hanauma Bay Education Center theater; parking charge after 5:30 p.m.; 397-5840, www.hanaumabayeducation.org.

HOME RAIN BARREL CATCHMENT SYSTEM WORKSHOP, by environmental engineer Jeremai Cann, 1:30-3:30 p.m. Jan. 24; The Green House, 224 Pakohana St., Pauoa Valley; $15; to register: 524-8427 or www.thegreenhousehawaii.com.

NATURAL GREEN CLEANING WORKSHOP, on simple, natural cleaning recipes, 1:30-3:30 p.m. Jan. 24, ; The Green House, Pauoa Valley; $15; to register: 524-8427, www.thegreenhousehawaii.com.

RECYCLING COMMUNITY CLEAN-UP, Kalani High fund-raiser, collects recyclables, including athletic shoes, tires, cooking oil (no paint, hazardous fluids, microwave ovens, televisions or gas tanks), green waste, batteries, plastic and telephone books and magazines, 8 a.m.-2 p.m. Jan. 24, school parking lot; curb-side pickup and unwanted car towing available; Rene Mansho, 306-1876.

BE A GREENIE

FREE GARDEN MULCH, available 9 a.m.-3 p.m. Saturdays, Halawa Xeriscape Garden; self-service, bring containers and shovel; 748-5041, www.boardofwatersupply.com.

GREEN DRINKS, an informal networking for people in the environmental field, 5-9 p.m. first Tuesday of each month; E&O Trading Co., Ward Centre; 351-2891.

WAIMEA VALLEY GREETER, volunteers needed one day a week for 2 1/2 hours; 638-7733.

WEED AND POT CLUB, Maui Nui Botanical Garden's Weed & Pot Club meets 8:30-10:30 a.m. Wednesdays, 150 Kanaloa Ave., Kahului, Maui, to do beautification and maintenance work; tools, gloves, drinking water provided; wear shoes; 249-2798.

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

Niaulani nature walk, guided tour through an old-growth forest; 9:30 a.m. Mondays; from Volcano Art Center, Niaulani campus, Volcano Village, Big Island; 808-967-8222, www.volcanoartcenter.org.

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

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

MAKIKI FOREST RESTORATION PROJECT, volunteers needed to weed; pick up branches; and plant, water and fertilize native plants as part of Makiki Watershed Awareness Initiative forest restoration project. 9 a.m.-2 p.m., fourth Saturday of each month; 973-9782.

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. Deadline is 10 days before the event.