 On August 1, 2006, the Foundation entered into a partnership with the Large Cities Climate Leadership Group, agreeing to provide resources to allow the participating cities to enter into an energy-saving product purchasing consortium and to provide technical and communications support.In May 2007, CCI announced its first project which will help some large cities cut greenhouse gas emissions by facilitating retrofitting of existing buildings.Five large banks committed $1 billion each to help cities and building owners make energy-saving improvements aimed at lowering energy use and energy costs.