Uploaded May 2021 | Updated September 2026, 4 days ago
Why are the Smoky Mountains...Smoky? The short answer: trees. Lots and lots of trees. And lots of different types of trees. Great Smoky Mountains National Park is one of the most biodiverse areas in North America, and the diversity and abundance of trees here are what give them their brilliant blue haze.
In this video, we'll learn exactly what causes that haze and how threats to the Great Smoky Mountains might even put that haze at risk.
Why are the Smoky Mountains...Smoky? The short answer: trees. Lots and lots of trees. And lots of different types of trees. Great Smoky Mountains National Park is one of the most biodiverse areas in North America, and the diversity and abundance of trees here are what give them their brilliant blue haze.
In this video, we'll learn exactly what causes that haze and how threats to the Great Smoky Mountains might even put that haze at risk.










