Fri, Sept. 25

Storm Surges Around the Gowanus Canal. A briefing by Dr. Malcolm Bowman, a big professor of this kind of thing. 6:30 pm. Long Island College Hospital [339 Hicks St., near the corner of Atlantic Avenue in Cobble Hill, (718) 643-3027], http://www.brooklyncb6.org.

Sat, Sept. 26

Croquet challenge. Green Party City Council candidate David Pechefsky challenges Democrat Brad Lander and Republican Joe Nardiello to croquet. Raindate is Sept. 27. 11 am. Old Stone House [336 Third St. between Fourth and Fifth avenues in Park Slope, (718) 768-3195], http://www.theoldstonehouse.org.

Wed, Sept. 30

Community Board 6 Parks, Recreation and Cultural Affairs Committee. Monthly meeting. 6:30 pm. Red Hook Recreation Center [155 Bay St. at Clinton Street in Red Hook, (718) 643-3027], http://www.brooklyncb6.org.

Community Board 10 Education Committee. Monthly meeting. 7 pm. [8119 Fifth Ave. in Bay Ridge, (718) 745-6827], http://www.bkcb10.org.