The zoo contends that the project would be much more complicated — and expensive — than simply dusting off the old tracks.

Marquam Nature Trail. Distance: 7.4 miles. Type of Trail: Out & Back. Difficulty: Hard. Elevation Gain: 1,525 ft. The park is perhaps most famous for being home to the Marquam Nature Trail.

A 168-acre wildlife preserve located only a few miles from downtown Portland, Oaks Bottom Wildlife Refuge proves that the natural and urban worlds can peacefully coexist. The short Bluff Trail ...

It’s possible that Portland’s effusive love of nature is something of an outlier. Across the United States, few other polls have asked residents why they chose to move to or stay in the place ...

Portland Audubon’s passionate and growing community has loved and advocated for Oregon’s birds, wildlife, and wild places for more than 120 years. With the help of our vast network of ...

This weekend the Oregon Museum of Science and Industry (OMSI) opened a new exhibit, Nature Unleashed. It's all about natural disasters — what causes them, how we measure them and try to predict ...

After 27 years in Oregon, the head of the Nature Conservancy is tackling a national program to restore the health of America's federal forestlands, including nine million acres here.

The art-and-culture festival begins with a free concert at 6 p.m. Wednesday on the Eastern Prom.

The Living Building Standard--which requires buildings to create all their own energy and recycle all their own water--is so hard to meet that only three buildings are "living buildings." Two, in ...