ART: A whole slew of galleries — 11 to be exact — from the Lower Polk and Tenderloin neighborhoods will be open until 10 p.m. as part of the monthly Lower Polk Art Walk. (6 to 10 p.m., Polk & Larkin between Bush and Geary)

LECTURE: At Green City — A CJM Mixtape, local green design innovators will be at the Contemporary Jewish Museum talking about their visions for adapting new ways to integrate urban life with the need for beauty, open space, and beneficial habitats, as part of CJM's current exhibition, Do Not Destroy: Trees, Art, and Jewish Thought. Also featuring live music by Hudi Brenman. (6:30 to 8 p.m., Contemporary Jewish Museum, 736 Mission Street)

FILM: As part of its ongoing Great Directors Speak series, YBCA presents a double-feature screening of Marcel Ophuls and Jean-Luc Godard: The Meeting in St-Gervais, which features an intimate and sometimes contentious dialogue in front of a live audience between Marcel Ophuls and Jean-Luc Godard in a small theater in Geneva, Switzerland in 2009, along with John Casavetes by André S. Labarthe. (7:30 p.m., Yerba Buena Center for the Arts, 701 Mission Street)