■ Film: United Nations Association Film Festival
Today (Oct. 27), the annual United Nations Association Film Festival hosts a free session of film screenings at the Stanford University Medical School. Films include "Slaves: An Animated Documentary" from Norway and Sudan, shown at 4 p.m. The whole session runs from 4 to 7 p.m. with a reception with several filmmakers following. The event is in the Li Ka Shing Center Building at 291 Campus Drive. For details, go to unaff.org.
■ Art: 'Climate Change'
Artists Michael Killen and Arabella Decker are hosting a reception tonight (Oct. 27) from 5:30 to 7 p.m. for their small exhibition of paintings at Palo Alto City Hall, 250 Hamilton Ave. The show's theme is "Climate Change," and it's dedicated to the late climate scientist Stephen H. Schneider. It runs through Nov. 12. Go to paintingtochangetheworld.com.