Science shows that tree rings can tell us much more than age.
Years of snapping champion trees have give this photographer quite a collection of favorites.
Superior National Forest has much to offer outdoor recreationists, like hiking canoeing and birdwatching.
A lightening strike in August 2011 ignited a fire in BWCA that would last for months and become the third largest in Minnesota's history.
Sparky Stensaas discusses his love of nature, his quest for the elusive Canada lynx and how a photo of a snowy owl led to an encounter with the county sheriff and a police K9 unit.
Earthkeepers: A Man Saved by Wilderness
Ernest Oberholtzer's lifetime of conservation efforts protected millions of acres.
Perspectives: Tug of War in Adirondack Park
Proposed policy changes could open up this iconic park to new logging.
Nature's Network: A Tree-lined Path to Good Health
Science now proves what many have long known: forests are good for you.
Last Look: Last Look: Great Gray Owl
Naturalist and photographer Sparky Stensaas captures the winged predator in Minnesota's Sax-Zim Bog
Editorial: Achieving a New Level of Impact
American Forests enter the new year with a new strategic plan.