Science, Conservation, and National Parks - Paperbackby Steven R. Beissinger (Editor), David D. Ackerly (Editor), Holly Doremus (Editor) As the US National Park Service marks its centennial in 2016, parks and protected areas worldwide are under increasing threat from a variety of factors, including storms and fires of greater severity, plant and animal extinctions, the changing attitudes of a public that has become more urbanized, and the political pressures of narrow special interest groups. In the