 Officeholders must live within Patterson Park borders and be a paying PPNA member.In a partnership with the Baltimore Neighborhood Energy Challenge, the PPNA Greening Committee is working to reduce the energy consumption of Baltimore by educating and encouraging residents to pledge to reduce their household energy use through efficiency.The Greening Committee has also been awarded over $60,000 in donations to finance its project, including major support from the Chesapeake Bay Trust, a state-chartered grant maker, and Healthy Neighborhoods Inc., a local nonprofit for tree plantings in the neighborhood.