Many of the nation’s 440 military bases were established in what were once sparsely populated hinterlands. Now, with urban sprawl pushing up against perimeter fen... (Read more)

Every year storm-water run-off causes nearly 10 trillion gallons of polluted water to be dumped into America's rivers and oceans. As cities across the country strugg... (Read more)

In 1973, the state's natural resources department was able to find just 108 breeding pairs in the state. Today, Wisconsin's population of bald eagles is soaring, an... (Read more)