9 p.m. // Elbo Room (647 Valencia) // $8-10
LECTURE: At World Energy, Water and Food, Lynn R. Wallis, Retired Director of Public Affairs and Media Relations, GE Energy, will explain how we can ensure we'll have adequate energy supplies in the future despite the current downward spiral of energy and water shortages.
5:30 to 7:30 p.m. // The Commonwealth Club (595 Market St, 2nd fl) // $20
PHOTOGRAPHY: The Monk's Kettle presents artist Willa Mamet's new collection of photos (lovingly made by hand in a traditional darkroom), Farm + Food, featuring photos dedicated to the process of what (and how) we eat.
6 to 8 p.m. // The Monk's Kettle (3141 16th St) // free