One stop for some birds migrating south from Pennsylvania is the cloud forest in Costa Rica. But the cool, misty mountains are getting warmer and drier. Plus, closer to home, birders and naturalists oppose new development next to a wetland in Huntington County. And, January is National Radon Action month, and that means it's time to test your home for the radioactive, cancer-causing gas.

An electric heat pump can reduce the carbon footprint of your home. We look at the pros and cons of this climate solution. The National Weather Service wants the public to become "river ice spotters" to help monitor for ice jams on area rivers. Plus, Frick Park has a new resident: Castor the beaver. We have news about new PFAS standards for drinking water in Pennsylvania, the Chesapeake Bay, and the new Pa. DEP secretary.