8 a.m. International mayors will close their C40 Large Cities Climate Summit at the Grand Saloon, 160 Central Park South.
9:30 a.m. MTA Audit Committee will meet at the MTA Board Room, 347 Madison Avenue.
9:30 a.m. Directors for the state’s urban development corporation will meet at the Empire State Development Corporation, 633 Third Avenue.
10:30 a.m. LaGuardia Community College will host lectures on global warming and disease prevention as part of the annual Prevention is the Cure Education Week at the Mainstage Theatre, 47th Avenue and Van Dam Street, in Long Island City.
11 a.m. Sen. Frank Padavan will host a Senior Health and Info Expo at the North Flushing Senior Center, 22-38 College Point Boulevard, in College Point.
Noon. A roundtable discussion on the scope and competitiveness of American Indian businesses will be held at the Algonquin Hotel, 59 West 44th Street between Fifth and Sixth avenues.
Noon. The Asian American legal defense and Education Fund will release the results of an exit poll of Asian American voters during the November 2006 midterm elections at Orrick, Herrington & Sutcliffe, 666 Fifth Avenue at 53rd Street.
1 p.m. Elected officials and community and religious leaders will join victims of a Bronx fire to announce a fundraising concert at the Paradise Theatre, 2413 Grand Concourse and 187th Street, in the Bronx.
2 p.m. Circuit Judge Robert Sack will address Columbia Law School graduates on the South Lawn of Columbia University, 116th Street and Broadway.
2:30 p.m. The United Federation of Teachers will submit a petition to allow day care providers to join the union at Dewitt Clinton Park, West 54th Street and 11th Avenue.
3 p.m. Whoopi Goldberg will hold an Empire State Building lighting ceremony kicking off AIDS Walk New York at the Empire State Building, 350 Fifth Avenue at 34th Street.
4 p.m. The DEA will brief members of the Unified Against the Challenges of Terrorism Task Force on terrorism prevention at teh Investigative Management Group, 825 Third Avenue.
4 p.m. The Queens Lesbian and Gay Pride Committee will announce Grand Marshals for its 15th Annual Queens Lesbian, Gay Bisexual and Transgender Pride Parade and Festival at the Office of Council Member John Liu, 135-27 38th Avenue, in Flushing.
6 p.m. Tokyo Governor Shintaro Ishihara will discuss the state of U.S.-Japan relations at the Japan Society, 333 East 47th Street between First and Second avenues.
6:30 p.m. Anti-war activists will protest the appearance of Sen. John McCain at a Republican fundraiser outside Sheraton New York Hotel, 811 Seventh Avenue at 53rd Street.
6:30 p.m. NY Mets' David Wright will host the "Dress Like David" fundraiser for Virginia Tech massacre victims at Hickey Freeman, 111 Broadway at Pine Street.
7 p.m Sen. John McCain, Rudy Giuliani, Senate Majority Leader Joseph Bruno and William Bennett will speak at the New York Republican State Committee's annual reception and dinner at the Sheraton Hotel & Towers, 811 Seventh Avenue at 53rd Street.
9:30 p.m. Urban Park Rangers will release four rehabilitated baby Screech Owls rescued from Central Park at the 100th Street Pool on the Harlem Meer side.