Travel Part nature, part pollution: Great Smoky Mountains’ famous haze is partially human-created February 18, 2022February 18, 2022Anila Yoganathan, Knoxville News SentinelComments Off on Part nature, part pollution: Great Smoky Mountains’ famous haze is partially human-created The namesake haze that settles over America's most-visited national park is amplified by human-created pollution.