ENVIRONMENT Announcements EARTH FIRST!. Tucson Earth First! employs creative tactics to protect remaining wild lands and the species that rely upon them. Join Earth First! members for a meeting and vegetarian potluck at 6 p.m. on the first Sunday of each month. Call 740-0810. RECYCLING CENTERS. The following neighborhood drop-off centers are open from 7 a.m. to 10 p.m. daily: 1010 E. Tenth St.; Booth-Fickett Magnet School; Jacobs Park; Joaquin Murrieta Park; Tucson Convention Center, northwest corner of Cushing and Granada; Mansfield Park; McCormick Park; Morris K. Udall Park; Golf Links Sports Park; Rodeo Park; Kennedy Park; Randolph Park; Davis-Monthan Air Force Base (base access required); and Los Reales Landfill. Hours at Los Reales are 7 a.m. to 5 p.m. Mondays through Saturdays, and 9 a.m. to 4 p.m. Sundays. For directions, site changes and holiday hours, call 791-5085. There is a multi-material recycling facility at Freidman Recycling, 1825 W. Prince Road, near Roger and Romero roads, 696-0660. Call the ReThink-It line at 791-5000 for information.