The Great Outdoors: Our National Parks

All around the globe, national parks play a key role in maintaining the ecological balance and biodiversity of our world. As nature reserves, they promote the natural and long-term development of extensive habitats and their species and ecosystems. National parks provide people with the scope and space for scientific research and education, as well as for leisure and tourism. This series takes a fascinating look at national parks all over the world. Using breathtaking footage, we show the unique character of these biospheres.