San Francisco Mayor Ed Lee and Rainbow World Fund will host the sixth annual World Tree of Hope Celebration from 5:30 to 8 p.m. at San Francisco City Hall, Rotunda, 1 Dr. Carlton Goodlett Pl. in S.F. This year’s tree, a gift from members of the LGBT community to the world — given to inspire hope and promote peace, love and humanitarianism, is dedicated to the victims and survivors of the earthquake and tsunami that struck northern Japan on March 11. Consul General of Japan in San Francisco Hiroshi Inomata will talk about the current situation in regions of northern Japan that have been devastated by the disaster. Admission to the event is free. Wine, hors d’oeuvres and sushi will be served. Wishes for The World Tree of Hope can be sent to Rainbow World Fund, 4111 – 18th St. #5, San Francisco, CA 94114 or via www.rainbowfund.org/tree. Wishes will be added to the tree throughout December. Wishes may also be recorded in the guest book at City Hall. Info: (415) 431-1485.