Through Pennsylvania Trout in the Classroom, teachers and students raise trout to learn about not only the life cycle, but also coldwater conservation.
Writer and photographer Tim Palmer returns to a subject he knows well in his new book, "Watching the River Run: A Photographic Journey Down the Youghiogheny."
Parts of the river have low dissolved oxygen levels caused by ammonia discharges from wastewater facilities. The announcement comes after environmentalists took legal action to speed up the process.
The former U.S. Secretary of the Interior weighs in on the changes under the second Trump administration. She is currently running for Governor of New Mexico.