9:30 a.m. Bill de Blasio announces new hot line to help stop housing discrimination; 2508 Coney Island Ave., 2nd floor.
9:30 a.m. State housing commissioner helps Habitat for Humanity build; 24 Sherlock Place, between Atlantic Avenue and Herkimer Street, Ocean Hill-Brownsville.
10:30 a.m. Ed Towns holds hearing on the 2009 transition to digital television; Brooklyn Sports Club, 1540 Van Siclen Ave.
3 p.m. Malcolm Smith and the State Transportation commissioner hold ribbon cutting for the Hillside and Jamaica Avenue Bridges over the Van Wyck Expressway; Jamaica Avenue Bridge, Jamaica Avenue and the Van Wyck Expressway.
7 p.m. New York ballot campaign launch for Green Party presidential candidate Cynthia McKinney; Manhattan Neighborhood Network, 537 West 59th St. near 11th Avenue.