And moss is a great indicator on environmental quality and air pollution. (gentle music) (lively music) - [Jill Silver] When I walk into the forest and everything is draped in moss, what it tells ...

I first saw this technique on a nature documentary ... that's part of the fun, and moss is easy enough to remove if it grows where you don't want it. Most common backyard or forest mosses like ...

The Hoh Rainforest contains one of the most peaceful spots in the United States, marked as ‘One Square Inch of Silence’ in ...