All events are free unless otherwise indicated.

COMING UP

"ECO-FAITH: CREATING AND SUSTAINING GREEN CONGREGATIONS," a user-friendly guide for pastors, church leaders, congregations and individuals, by local psychologist, Charlene Hosenfeld,; available late April at local bookstores, or from The Pilgrim Press, 800-537-3394.

BIODYNAMIC/INTUITIVE GARDENING WORKSHOP SERIES, on interacting more fully with plants and nature (including using homeopathic sprays), 7:30-9 p.m. March 31, April 7 and 14, Kahumana Community Center and Farm, Wai'anae; free (also dinner, 6-6:30 p.m., $12); directions /reservations, 696-2655.

"HAWAI'I — MESSAGE IN THE WAVES," one of a series of "Plastic and Hawai'i's Marine Life" lectures and films, organized by the Beach Environmental Awareness Campaign Hawai'i; 6:30 p.m., April 1, University of Hawai'i-Manoa, Architecture Building, auditorium; 393-2168, www.b-e-a-c-h.org.

KUALOA REGIONAL PARK CLEAN-UP, planting and mulching work-day; 9:30-11:30 a.m. April 4, Campground A (bring working gloves, comfortable clothes and shoes); 237-8525.

RECYCLING COMMUNITY CLEAN-UP COLLECTIONS of recyclable waste, including athletic shoes, tires, cooking oil (no paint, hazardous fluids, microwave ovens, televisions or gas tanks), green waste, batteries, plastic, telephone books and magazines, 9 a.m.-1 p.m. April 4, Kailua Intermediate School parking lot, and 8 a.m.- 2 p.m. April 11, Alvah Scott Elementary School parking lot, Moanalua Road; information/for curbside pickup or unwanted-car towing, Rene Mansho, 306-1876.

"WHAT'S BLOOMING /WHAT'S BEARING FRUIT WITH DAVID ORR," walking tour of Waimea Valley with botanical collections specialist, David Orr, 2-3 p.m. first and third Sundays beginning April 19; recommended: snack, insect repellent, sunscreen, hat, water and sturdy shoes; free with paid park admission; reservations, 638-7766.

SOIL AND COMPOST WORKSHOP, on starting/maintaining a compost system, and making compost tea using vermicompost (worms) or traditional methods, 9:30-11:30 a.m. April 4; Lyon Arboretum, Manoa; $15; reservations: 988-0461.

NATURAL GREEN CLEANING WORKSHOP, on simple, natural cleaning recipes, 10 a.m.- 12 p.m. April 4; The Green House, Pauoa Valley; $15; required registration, 524-8427, http://www.thegreenhousehawaii.com.

"DESSERT WITHOUT GUILT ... CHOCOHOLIC RESCUE," cooking class on the healthy benefits of cacao; 1:30-3 p.m., April 4; The Green House, Pauoa Valley; $25; required registration, 524-8427, http://www.thegreenhousehawaii.com.

HOME RAIN BARREL CATCHMENT SYSTEM WORKSHOP, taught by environmental engineer Jeremai Cann, 1-3 p.m. April 3; The Green House, 224 Pakohana St., Pauoa Valley; $15; required registration, 524-8427, http://www.thegreenhousehawaii.com.

"DECORATE AN EGG, THE XERISCAPE WAY," workshop hosted by the Honolulu Board of Water Supply for keiki ages 2-12 and parents with Easter egg hunt to follow; 10 a.m.- 1 p.m. April 4; Halawa Xeriscape Garden, 99-1268 Iwa'ena St.; $5 per family; register by April 2: 748-5319.

"INTRODUCTION TO PORTABLE ORGANIC GARDENING," workshop on apartment/condo pallet organic gardening for growing vegetables and herbs; one of a series of UH Outreach College, noncredit workshops for home and garden; 3-4:30 p.m. April 5, Olomana Gardens, Waimanalo; $20; registration/directions, 956-8400, www.outreach.hawaii.edu/noncredit.

HO'OMALUHIA BOTANICAL GARDEN SPRING PRESCHOOL ACTIVITIES, 10:30 a.m. April 21 (spiders) and May 19 (bees); with story and song time, crafts and short hike. Recommended items: rain, mud and mosquito precautions, picnic lunch and covered shoes; free; 233-7323.

BE A GREENIE

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

NEW HILO RECYCLING CENTER, including all HI-5¢ recyclables: Mr. K's Recycle and Redemption, 815 Kino'ole St., Hilo (next to bowling alley); 7 a.m.-7 p.m. Mondays-Fridays, and 8 a.m.-5 p.m. Saturdays and Sundays; 808-969-1222.

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.

CHUN'S REEF BEACH/COASTCLEANUP by Adopt-A-Beach Hawaii and Save The Sea Turtles International; noon last Saturday monthly, from 61-529 Kamehameha Highway, Hale'iwa; (trash bag, gloves and purified water provided; bring hat, sunscreen and beach shoes); 637-2211.

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.