Jes Burns

As the climate warms, many U.S. lakes are seeing more algal blooms, low oxygen levels and stressed-out fish species. One research team in Oregon hopes that pumping oxygen into the water can help.

As the climate warms, many U.S. lakes are seeing more algal blooms, low oxygen levels and stressed out fish species. One team in Oregon hopes that pumping oxygen into the water can help.

Wildland firefighters face a growing danger from smoke, as wildfires become more frequent and intense. It's a hazard that scientists and fire agencies are only beginning to understand.

Worsening wildfire smoke has become an annual annoyance that's starting to affect the state's economy. Retailers, tourist outfits and even realtors say they're planning differently for 2019.

The Trump administration has reversed a key policy for protecting migrating birds. Officials say a century-old federal law is outdated and poses a burden for utilities and energy companies.

The Franklin bumblebee is so small and hard to track that it's not clear if it's gone extinct. We tag along as one man makes his annual trek to try to find it.

Until now, the archaeological philosophy at Redwood National Park has been "keep it in the ground." But for one Native American site, climate change may force the park to reconsider that approach.

This spring, the historic Oregon's Pine Creek Ranch becomes federally protected wilderness, and back country volunteers are tearing down the miles of rusty barbed wire surrounding the land.

A natural wonder 60 miles from Portland has never been documented until now. It's a deep and narrow slot canyon. There are concerns a lot of adventure-seekers from all over will show up to explore it.

With wildfires raging across the Pacific Northwest, festival organizers must frequently assess the air quality for the safety of the audience and performers. Six shows have been canceled so far.