For over 50 years each spring, researchers with Connecticut’s Great Mountain Forest, nestled in the Litchfield Hills, have been recording how early three Persian Lilac trees begin to bud and flower.

After building a log cabin in the forest, we traveled for a year in our van. In this video, we cross the border from Canada into the United States to explore Mount Rainier National Park in Washington.

The remains of an ancient forest have been discovered in a popular hiking area of the Rocky Mountains. Surrounded by backcountry hiking trails, the Beartooth plateau is a frozen tundra that sits at ...

Oregon State University is purchasing about 3,110 acres of privately owned forestland northwest of Portland to manage as a research forest. Courtesy of Nick Grier via Trust for Public Land By the end ...