9:30 a.m. Victims of mortgage scams speak at a hearing of the New York State Commission of Investigation on the Sub-Prime Lending Crisis and Mortgage Fraud; 59 Maiden Lane, 31st Floor.

10 a.m. Council Member John Liu and National Action Network Chair Franklyn Richardson discuss police shootings; 250 Broadway, Suite 1868.

10:30 a.m. Nassau County executive speaks to students about the “GreenLevittown” campaign; Abbey Lane Elementary School, 239 Gardiners Ave., Levittown.

10:30 a.m. Class Size Matters releases report on results of independent parent survey; The Hispanic Federation, 55 Exchange Place, 5th floor.

11 a.m. Union day care workers and advocates protest expected closings of publicly funded day care centers; City Hall.

12 p.m. N.Y.C. doctors declare chronic asthma crisis due to hazardous indoor air and call on city to adopt 5-step plan for indoor air clean-up; Woodhull Medical Center, 3rd Floor Conference Room, 760 Broadway, Brooklyn.

12:30 p.m. Panel discussion on prospects for completing Mayor Bloomberg’s plan to create 165,000 units of affordable housing; Fashion Institute of Technology, Building C, 9th Floor Board Room, West 27th Street between Seventh and Eighth avenues.

2 p.m. Nassau County Comptroller Howard Weitzman discusses Eliot Spitzer’s proposed reforms of special districts; 48 Shelter Rock Road, Manhasset.

5:30 p.m. The Women’s National Republican Club hosts panel discussion on American politics with Curtis Sliwa, Ellis Henican and Kellyanne Elizabeth Conway; 3 West 51st St.

7 p.m. M.T.A. L.I.R.R. community forum on proposed alternative safety measures at Syosset Station; Syosset High School, 70 Southwoods Road.

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