lity to breathe comfortably within the park.parks not only have to worry about internal factors that impact the parks health and operation, but they also have to worry about activities that are on adjacent lands. Mining, logging, and drilling for oil are all activities that produce pollution that can harm the delicate ecosystems within a national park. Air pollution from industrial and automobile exhaust, water pollution from slucebox mining, and deforestation can cause soil erosion that can contaminate the national park's water supply. Agricultural development around national parks can also impact the health and stability of a national park. Domesticated animals can catch and spread diseases from and to wild animals. Also wildlife that cross out of the park to a private piece of property risk the threat of being killed by the rancher or land owner, or even by being hit and killed by traffic. [28] National Park is perhaps one of the most negatively impacted national parks by these issues. It is one of the most popular national parks and it receives hundreds of thousands of visitors each year. They face trail erosion, trampled vegetation, and animal harassment. Also they are near prime petroleum fields that are currently being drilled and pumped. Air pollution, soil pollution and water pollution are all real threats that this park has to face, as well as potential negative effects of natural pollutants that could cause injuries to human visitors. Yellowstone is also in the heart of cattle country, and they face an on-going border battle with beef barons. The issue over the right to shoot and kill park animals like bison, bears, and wolves if they cross out of the park and onto private property. The spread of tuberculosis is also a real threat wit bison and cattle interactions. p align="justify">
Untold Stories
The term В«national parkВ» conjures up thoughts of big, natural landscapes like Grand Canyon and Yosemite. But two-thirds of the National Park Service's three hundred ninety two areas were created to protect historic or cultural resources, from colonial Boston to New Mexico's Chaco Canyon. And many of those parks lack the money and staff to use those resources to their fullest. p align="justify"> В«We have an incredible collection of museum artifacts, and forty five percent of the Park Service collections have not even been catalogued,В» says James Nations of the nonprofit National Parks Conservation Association. В«We ve got stuff, and we don t even know what we ve got, and we don t have places to store it. We re missing opportunities to tell the story of America through our national parks. В»Historyparks protect the historic buildings in which America s history was made, places like Independence Hall,...