The Comedy Underground hosts a non-profit comedy night to benefit NARAL Pro-Choice Washington.

Tonight, 8:30 pm to 10:00 pm, The Comedy Underground, 109 S. Washington St. $10.

King County Executive Dow Constantine’s office hosts a panel discussion and brainstorming session to talk about King County’s open data initiative.

Tonight, 5:00 pm to-6:30 pm, King County Chinook Building, 401 5th Ave, Room 123.

A number of local groups are organizing a vigil to call for an end to dependence on oil at Cal Anderson Park on Capitol Hill.

Tonight, 7:00 pm, Cal Anderson Park, 1635 11th Ave.

This month’s Greendrinks , a monthly happy hour and networking event for environmentalists, is in downtown Seattle.

Tonight, 5:30 pm to 9:00 pm, Synapse Product Development, 1511 Sixth Ave., Suite 400.

The city council's Committee on the Built Environment will discuss updates to the city's multifamily zoning plan and proposed amendments to the comprehensive plan.

Tomorrow, 9:30 am, City Council Chambers, City Hall, 600 Fourth Ave.

The city hosts a public meeting to discuss how businesses and residents will cope with the upcoming closure of the South Park Bridge.

Tomorrow, 6:30 pm to 8:30 pm, South Park Community Center, 8319 Eighth Ave. S.

The city's pedestrian advisory board meets tomorrow to discuss the Pedestrian Master Plan.

Tomorrow, 6:00 pm, Boards and Commissions Room, City Hall, 600 Fourth Ave., Room L-280