8:30 a.m. CUNY's Center for Sustainable Energy will convene a "Solar Summit" at the American Museum of Natural History, 79th Street and Central Park West.
8:30 a.m. Comptroller Tom DiNapoli will speak at a discussion about how the state’s comptroller’s office can address the concerns of working men and women in New York State. Other featured speakers include Stuart Appelbaum, president of the RWDSU, Denis Hughes, president of the NYS AFL-CIO, Ed Malloy, president of the NYC/NYS Building & Construction Trades Council, and Ed Ott, executive director of the city’s Central Labor Council at the Campanile Restaurant, 30 E. 29th Street.
9 a.m. The Metropolitan Waterfront Alliance will launch the East River Agenda with a series of boat tours and events highlighting the East River shoreline at the South Street Seaport Stage on Fulton Street.
9 a.m. A procurement fair for minority- and women-owned businesses will take place at the Bank of New York, 101 Barclay Street at Greenwich Street and Park Place.
11 a.m. Energy officials will join the Brooklyn borough president to kick off the Be Cool Challenge to save electricity and reduce carbon dioxide emissions through energy efficient air conditioning at Columbus Park at Borough Hall Plaza in Brooklyn.
Noon. A retail union will announce its endorsement of Melinda Katz for City Comptroller on the City Hall steps.
Noon. Brooklyn District Attorney Joseph Hynes, Philadelphia District Attorney Lynne Abraham and members of Fight Crime: Invest in Kids will announce new research on graduation rates and crime.
12:30 p.m. Bill Clinton will make an announcement regarding poverty alleviation in the developing world at The Clinton Foundation, 55 West 125th Street.
1 p.m. The transportation committee will hold a public hearing to consider legislation that would mandate a 48 hour window for replacing or repairing damaged or missing stop signs and other traffic signs at City Hall.
1 p.m. Teens on the Center for Court Innovation's Youth Justice Board will offer recommendations to improve family court at the New York City Family Court, 60 Lafayette Street between Franklin and Leonard streets.
1:30 p.m. The Port Authority board will meet at PA headquarters, 225 Park Avenue South.
2 p.m. Ministers of Harlem USA will honor Police Commissioner Ray Kelly at the Southern Baptist Church, 12-16 West 108th Street between Central Park West and Manhattan Avenue.
6 p.m. John Edwards will speak at a Cooper Union Dialogue Series event at the Great Hall, 7 East 7th Street at Third Avenue.
6:30 p.m. Assembly member Adriano Espaillat, Council members Miguel Martinez and Robert Jackson will speak at a town hall forum about improving access to quality and affordable health insurance at The Russ Berrie Center, 1150 St. Nicholas Avenue between 167th and 168th streets.
6:30 p.m. The Queens County Progressive Democratic Club will hold their annual awards dinner honoring Sen. Malcolm Smith and other attendees at Douglaston Manor in Douglaston, New York.
7 p.m. A community meeting to discuss plans to reopen the Brooklyn House of Detention will take place at Belarusian Church, 401 Atlantic Avenue at Bond Street, in Brooklyn.