8:30 a.m. The Municipal Art Society Planning Center will conduct a seminar to train neighborhood residents in community development at Hunter College, 695 Park Avenue at 68th Street.
9 a.m. Leaders from Nepal will attend a conference on the future of democracy in Nepal at The New School, 55 West 13th Street near Sixth Avenue.
9 a.m. Unilever employees and volunteers will help clean up the Statue of Liberty and Ellis Island.
10 a.m. Council member Bill de Blasio will keynote the StreetWise Partners graduation ceremony at Pricewaterhouse Cooper, 300 Madison Avenue.
10 a.m. Council member Joel Rivera will host a street renaming ceremony in honor of 9/11 victim and Cantor Fitzgerald bond trader Luke Nee at Minerva Place and Grand Concourse between 198th and 199th streets, in the Bronx.
10 a.m. Council member Tony Avella and volunteers will help clean up Powell's Cove Park at 11th Avenue between 130th and 138th streets, in College Point, Queens.
10 a.m. The Parks Department and the NYC Mountain Bike Association will the celebrate opening of an official mountain biking trial in New York City at Highbridge Park, Fort George Avenue and 193rd Street.
10 a.m. The third hearing of the Tri-Level Legislative Task Force on Police Procedures will be held at HOSTOS College, 120 East Walton Avenue at 149th Street in the Bronx. The task force was established following the shooting death of Sean Bell and the wounding of Joseph Guzman and Trent Benefield by undercover New York City police officers on November 25th, 2006.
11 a.m. Same-sex-marriage rights advocates will march across the Brooklyn Bridge, beginning at Foley Square, across from 60 Centre Street, and proceeding across the bridge to Cadman Plaza in Brooklyn.
11 a.m. Volunteers will help clean and New York City's parks at the annual "It's My Park!" Day. For a list of sites visit www.itsmypark.org.
Noon. December 12th Movement will hold its 17th annual Black Power march and rally commemorating the birthday of Malcolm X at the Harlem State Office Building, 125th Street and Adam Clayton Powell Jr. Boulevard.
Noon. A youth group will hold a rally and march calling for the conversion of the old Fordham Library into a community center. They will rally at Our Lady of Refuge, 290 East 196th Street, and march to Fordham Library, 2556 Bainbridge Avenue, in the Bronx.
1 p.m. Assemblymember Ellen Young and Council member John Liu will dedicate a tree in memory of a Marine Corporal killed in Iraq at 137-60 45th Avenue between Kissena Boulevard and Colden Street, in Flushing.
1 p.m. The School of Visual Arts will mount 52 water color paintings by child survivors of the tsunami at 214 East 21st Street.
2 p.m. Amateur actors and activists will stage an anti-torture play in front of the Times Square Military Recruiting Station.
2 p.m. Dancers and dance groups will hold a dance parade and festival to raise awareness about restrictive cabaret laws from 32nd Street and Broadway to Washington Square Park.
11:30 a.m. Speaker Christine C. Quinn will join Council member Eric Gioia, reproductive health advocates and pharmacists to release the findings of a City Council investigation on the availability of emergency contraception in New York City pharmacies at City Hall.
2 p.m. Staten Island District Attorney Daniel Donovan Jr. will announce his candidacy for reelection at the Donovan Campaign Headquarters, 1632 Hylan Boulevard, in Staten Island.
Noon. The Democratic Congressional Campaign Committee will host their Frontline Luncheon for Democratic incumbents running in 2008. Congresswoman Kirsten Gillibrand, Mike Arcuri and John Hall will join other Democratic incumbents at The Harmonie Club, 4 East 60th Street.
12:30 p.m. Senate Democratic Leader Malcolm A. Smith will announce the creation of a Suburban Democratic Caucus. Smith will introduce members of the Caucus and explain its agenda in Albany.