Walking tour of Atlantic Yards footprint led by former Planning Commissioner Ron Shiffman and journalist Norman Oder. Meet in front of the Williamsburgh Savings Bank tower (Hanson Place at Ashland Place, in Fort Greene), 2 pm.
Columbus Parade Fundraising Brunch. Oriental Manor (1818 86th St., at 18th Avenue, in Bensonhurst), noon. Call (718) 259-2828.
Community Board 2. Economic Development and Job Creation Committee. Long Island University (1 University Plaza, at Flatbush and DeKalb avenues, in Downtown), 6 pm. Call (718) 596-5410.
76th Precinct Community Council. Monthly meeting. 76th Precinct stationhouse (191 Union St., between Henry and Hicks streets, in Carroll Cardens), 7:30 pm. Call (718) 834-3211.
Community Board 2. Health, Environment and Social Services Committee. Brooklyn Hospital (121 DeKalb Ave., at St. Felix Street, in Fort Greene), 6 pm. Call (718) 596-5410.
Town Hall meeting hosted by Councilwoman Letitia James. On the agenda: Tenant displacement. Lafayette Avenue Presbyterian Church (85 S. Oxford St., at Lafayette Avenue, in Fort Greene), 6 pm. Call (718) 788-7081.
Friends of Carroll Park. Monthly meeting. Park House (Carroll Street between Smith and Court streets, in Carroll Gardens), 7:30 pm. Call (718) 625-2571.
Columbus Parade. Route runs on 18th Avenue, from 61st Street to 84th Street, in Bensonhurst. Begins at 1 pm. Call (718) 259-2828.