anges towards softer temperatures, either upwards in elevation or northward,В» says Nations. В«But they don t recognize where the boundary is and in many cases that land is owned by someone else.В»
Water Issues
Some parks are already feeling drier these days, as increasing human demand shrinks supplies on which aquatic species depend. In Florida's Biscayne National Park, where freshwater arrives from the highly compromised Everglades ecosystem upstream, a freshwater shortage is becoming an issue even though ninety five percent of the park remains covered with seawater.parks are touched by the Colorado River and its tributaries, which are being drained of water by the growing cities and farmlands of an increasingly thirsty West. Less reliable precipitation on a warmer, drier Earth would make this growing problem worse. p align="justify"> Air Pollution
Great Smoky Mountains National Park in the Southeast wasn t named for its smog, but it is one of many parks seriously affected by the problem. Air quality issues originate outside the parks. At Great Smoky, power plant and industrial emissions are blown by winds to the southern Appalachians and trapped there by the mountains.quality problems choke off views, poison plants, and even foul water. Recent air quality data show a glimmer of hope-visibility and ozone concentrations are stable or improving in most parks. However, in too many cases, stable means simply preserving a subpar status quo. [9]
Transportation Troubles
National parks are the destination of many a great American road trip. But too many roads within the parks themselves are in disrepair and some pose a real danger to drivers. The same goes for many parts of the parks transportation infrastructure, from shuttle buses to hiking trails.are always under way but it will take time and money to truly set things right. More than half of the Park Service s nine and a half billion dollars maintenance backlog is earmarked for the transportation infrastructure that enables people to actually visit the parks.
Visitor Experience
Popular parks like Yosemite face overcrowding issues that would have amazed John Muir. Managers must balance open access with negative impacts on visitor experience and on park environments. s visitors also use parks in new ways. Snowmobilers prowl Yellowstone and pilots fly visitors over the Grand Canyon. Mountain bikers, motorboaters and many others all hope to enjoy their favorite pastimes in their favorite parks.allowing such activities enhance the park experience or detract from it? Managing preferences and park usage conflicts is a growing challe...
