Tucson Weekly: Listings: Environment (March 18

ENVIRONMENT
HOUSEHOLD HAZARDOUS WASTE. The Tucson/Pima County hazardous waste disposal site, 2440 W. Sweetwater Drive, is open from 8 a.m. to noon every Friday and Saturday for household waste disposal. Stop by the "Drop and Swap" table, where you can leave your left-over soaps, paints, waxes, etc. for someone else to use. Outreach centers are open from 8 a.m. to noon the first Saturday of the month at the following locations: Eastside City Hall, 7575 E. Speedway; TFD Fire Academy, 797 E. Ajo Way; and the Park and Ride parking lot located on Ina Road one block west of Oracle Road (at Via Ponte). For more information, call 740-3340.
PERMACULTURE BREAKFAST. The Permaculture Drylands Institute has a monthly, fun-filled discussion of sustainable living in drylands. They meet the second Tuesday of each month for a community breakfast at 7 a.m. at the Grill, 100 E. Congress St. Call 572-1672 for information.
Listings RECYCLING CENTERS. The following neighborhood drop-off centers are open from 7 a.m. to 10 p.m. daily: Joaquin Murrieta Park, Mansfield Park, McCormick Park, Morris K. Udall Park, Golf Links Sports Park, Rodeo Park, Kennedy Park, Randolph Park and the Los Reales Landfill. Hours at Los Reales are 7 a.m. to 5 p.m. Monday through Saturday, and 9 a.m. to 4 p.m. Sunday. For directions and holiday hours, call 791-5085. Multi-material recycling facilities are located at Freidman Recycling, 1825 W. Price Road, near Roger and Romero roads, 696-0660; and Weyerhaeuser Recycling, 5455 Old Nogales Highway, 294-6944. Call the ReThink-It line at 791-5000 for information.
GARDENING DEMONSTRATION. The Pima County Cooperative Extension offers free gardening workshops every Wednesday at 9 a.m. at the Extension Garden Center, 4210 N. Campbell Ave., and again at 1 p.m. at the Wilmot Library, 530 N. Wilmot Road. Selecting, Planting and Caring for Desert Adapted Trees is the topic for Wednesday, March 24. Call 626-5161 for information on upcoming topics.
WILDFLOWER WALKS. Tohono Chul Park. 7366 N. Paseo del Norte. 742-6455. These docent-guided walks take place at 10 a.m. every Monday, Wednesday and Friday through April 30. There is a suggested donation of $2.
HYDROPONIC GARDENERS. Tucson High School Cafeteria. 400 N. Second Ave. Hydroponic Gardeners of Tucson meets the third Wednesday of every month for a 6:30 p.m. social and 7 p.m. meeting. Call Karen at 881-3248 for information.