Just over a year ago, the largest coal-fired power plant in Pennsylvania closed. For some, it's been hard to accept. We'll visit Homer City to hear how it's going. A US Supreme Court decision to put a cross-state air pollution rule on hold could impact clean air in Pennsylvania. And, we tag along with a crew trying to save hemlock trees from an invasive pest. Plus a new report outlines ways to keep kids playing outside in the warmer months. As fossil fuel production has gone up in the U.S., greenhouse gas emissions have gone down as, except in the region that includes Pennsylvania. The miles of trails along Pittsburgh’s Three Rivers have a significant economic impact.