As the Endangered Species Act turns 50, each of America’s national parks has their own stories to tell about the relevance of this landmark legislation for their own special ecosystems. Here is a story from the Smokies.
As Smokies wildfire gathered steam, butterflies soldiered on knoxnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from knoxnews.com Daily Mail and Mail on Sunday newspapers.