Industrial air pollutants, such as organochlorines and heavy metals, are carried to the arctic on air currents from populated areas. Lichens are a dominant life form on the tundra, and they are particularly vulnerable to air pollution because they lack roots and get the majority of their resources from the air. Because of this, lichens have historically been used as air pollution indicators.
Hurst is a city in Tarrant County, Texas, United States. Hurst is one of the Mid-Cities between Fort Worth and Dallas. it is local a suburb of Fort Worth. The city was founded by William Letchworth Hurst. As of the 2010 census, it had a population of 37,337.
Homes for Sale in Hurst, TX. On the outskirts of the Dallas-Fort Worth area sits the suburb of Hurst, Texas. With a population of just over 37,000 people, Hurst has its own sense of community that separates it from the big city. The majority of residents are married, and many families have children as well, so if you are looking for a family-friendly environment, this might be the place for you.