9 a.m. The New York League of Conservation Voters Education Fund hosts a solar energy forum at N.Y.U.’s Kimmel Center, Room 914, 60 Washington Square South.
9 a.m. Rudy Giuliani appears at the World Economic Forum at Radio City Music Hall.
9:30 a.m. Bronx tenants and attorneys attend a court appearance regarding a lawsuit against a negligent landlord, at the front entrance to the Bronx Housing Court, 1118 Grand Concourse.
9:30 a.m. Good government group Common Cause joins financial analysts and economic justice organizations to call for a "Better Bailout," at the Lehman Brothers office, Sixth Avenue and 53rd Street.
10 a.m. The developer of the Carroll Gardens building at 360 Smith, which was stopped mid-construction by the “narrow streets” Zoning Text Amendment appears before the Board of Standards and Appeals, and the public can testify. At 40 Rector Street, 9th floor.
10 a.m. The City Planning Commission votes on whether to proceed with the Willets Point development project. At Spector Hall, 22 Reade Street.
10:15 a.m. Laura Bush visits the former home of Alexander Hamilton, participates in a First Bloom activity, and makes a statement at the Hamilton Grange National Memorial, St. Nicholas Park, 414 West 141st St.
10:30 a.m. Sheldon Silver and Deborah Glick visit the Children’s Museum of the Arts, 182 Lafayette St. 11 a.m. Council Member David Yassky and the group Transportation Alternatives urge the passage of the Bikes in Buildings Bill on the City Hall Steps.
11 a.m. Tibetan supporters protest the Chinese premier at the United Nations, Dag Hammarskjold Square.
11:15 a.m. Jack Welch appears at the World Economic Forum.
11:30 a.m. Christine Quinn announces the introduction of the Clinic Access Bill in the Red Room at City Hall.
Noon. Rally protesting Chinese arms sales to Sudan is held at the Chinese Mission to the United Nations, 350 East 35th St.
12:15 p.m. Doctors and medical students urge Iran to release imprisoned physicians, at the Iranian Mission to the United Nations, 622 Third Ave.
1 p.m. The Coalition to Ban Horse-Drawn Carriages and the group Friends of Animals urge the passage of the pending animal rights bills, on the City Hall Steps.
1:15 p.m. The prime minister of The Netherlands and the president of Tajikistan take part in a forum on world water and sanitation issues. At the Trusteeship Council Chamber at the U.N.
1:30 p.m. Interior Secretary Dirk Kempthorne presents the Ellis Island Museum expansion plans at the Historic Great Hall, Ellis Island..
3 p.m. Liberian President Ellen Johnson Sirleaf receives the International Women’s Leadership Award at the Le Parker Meridien Hotel, 118 West 57th St.
3:30 p.m. King Carl XVI Gustaf of Sweden joins the parks commissioner to plant a tree near Central Park’s Swedish Cottage, near 79th Street and West Drive.
4:45 p.m. Tony Blair appears at the World Economic Forum.
5 p.m. The Clinton Global Initiative holds a discussion with Bill Clinton and Bill Gates.
5:30 p.m. Press conference with Dominican Republic President Leonel Fernandez at the New York Palace Hotel, 50th Street and Madison Avenue.
6 p.m. New York University hosts a discussion on compassionate leadership with Queen Noor of Jordan, Rabbi Irwin Kula and Tibetan spiritual leader Jamgon Mipham Rinpoche. At the N.Y.U. Skirball Center for the Performing Arts, 566 LaGuardia Place.
6 p.m. The 2008 World Business and Development Awards Ceremony is held at the Millennium U.N. Plaza Hotel, 44th Street between First and Second avenues.
7 p.m. The Africa-America Institute holds its 24th Annual Awards Gala at the Ritz-Carlton Battery Park, 2 West St.
7 p.m. Laura Bush delivers remarks at the National Park Foundation’s "Expedition America!" Gala, at Chelsea Piers, Pier 60, 23rd Street and the Hudson River.
8 p.m. The Cantor Film Festival hosts a screening of Heavy Metal in Baghdad, 36 East 8th St.
8 p.m. Opening reception for the Clinton Global Initiative at The Museum of Modern Art.
All day. The Clinton Global Initiative hold its Annual Meeting at the Sheraton New York Hotel, Metropolitan Ballroom, 811 Seventh Ave.
All day. The World Business Forum is held at Radio City Music Hall, 51st Street and Sixth Avenue.