Testing McGuire sirens: Mecklenburg officials will sound the sirens at McGuire Nuclear Station at about 11:50 a.m. today as part of a normal quarterly test. In an emergency, sirens would sound repeatedly. Details: EnergyExplorium, at 1-800-777-0003, option 1.
Collegiate Challenge 2011: More than 55 students will come to the area to help build homes through Our Towns Habitat for Humanity's spring break. The event is Feb. 27-March 4, and Habitat needs help with meals and snacks. Contact Jessica Grantham at email@example.com, 704-896-8957, ext. 110 if you can help.
Citizen's Police Academy: The Huntersville Police Department is accepting applications for the fourth annual Citizen's Police Academy, a 10-week program held Tuesday evenings through March 29. Complete an application at www.huntersville.org/police. Details: 704-766-2281.
Award: Mal Murray received Habitat for Humanity International's 2010 Clive Rainey Lifetime Achievement Award.