World Tai Chi and Qi Gong Day Celebration, sponsored by Wu Dao Jingshe International Qi Gong Society, 10 a.m., Reed College front lawn, 3230 S.E. Woodstock Blvd. Call 503-223-5836.
Opening Hearts and Minds: Using Words to Build a Peace Movement, sponsored by Love Makes a Family, workshop on nonviolent communication and development of public outreach campaign, 9 a.m. to noon, Ainsworth United Church of Christ, 2941 N.E. Ainsworth St. Call 503-228-3852.
19th annual Great Hunger Cleanup, sponsored by Oregon State Public Interest Research Group Portland State University Chapter, 10 a.m. to 5 p.m., meet South Park Blocks (west of Smith Memorial Union, 1825 S.W. Broadway), light breakfast provided, bring work gloves and lunch. Call 503-725-4500.
Taking Care of You: Powerful Tools for Caregiving, sponsored by Legacy Health System, first of six classes, 2 p.m. to 4:30 p.m., Legacy Good Samaritan Hospital Northrup Building, first floor conference room, 2282 N.W. Northrup St., $15 fee for books. Call 503-413-8018.
A New Era of Care: Understanding Psoriasis and Psoriatic Arthritis, sponsored by National Psoriasis Foundation, presentations on basics and latest treatment, noon to 6 p.m., includes reception 4:30 to 6 p.m., DoubleTree Columbia River Hotel 1401 N. Hayden Island Drive, $15 optional fee. Call 1-800-723-9166.
Your Health, Transportation and the Environment Ñ How They Support Each Other and You, sponsored by Oregon Health & Science University, 7 p.m. to 8:30 p.m., OHSU Family Health Center-Richmond, 3930 S.E. Division St. Call 503-494-0060.
Water conservation workshop, sponsored by Community Energy Project, 6:30 p.m. to 8 p.m., Hosford Community School, 2302 S.E. 28th Place. Call 503-284-6827.
Cancer care for women, sponsored by Oregon Health & Science University, 7:30 p.m., NW Natural, fourth floor hospitality room, 220 N.W. Second Ave. Call 503-494-0060.