In the quest for sustainability, communities around the world are implementing sustainability action plans to reduce energy consumption and green house gas emissions. The Sierra Club, in conjunction with ICLEI – Local Governments for Sustainability, developed Cool Cities to encourage widespread action at the local level across the country. Communities in Pennsylvania who are participating include: Allentown, Bethlehem, Braddock, Easton, Erie, Forest Hills, Harrisburg, Kutztown, Mount Lebanon, Nether Providence, Oxford, Philadelphia, Pittsburgh, Reading, Scranton, Wilkes Barre, and York. Lower Makefield Township (LMT), in keeping with its continuing environmentally active orientation, has joined this enlightened group of communities.