The largest ferry system in the United States prepares to stop using diesel fuel to help Washington achieve its climate action goals.

Where quick-spreading fires are the “new normal,” some state officials and communities are willing to try whatever it takes to prevent—or better prepare for—the next big blaze.

At least 31 villages now face imminent threats from climate change and may have to relocate, at a cost of as much as $200 million each.

Residents who live near the country’s busiest ports are getting a new lens on the pollution in their backyards, and new tactics to help fight it.

Gardeners, students, and health-care workers in Carson City are coming together to fight food insecurity.

Photographer Max Whittaker shows us the many faces of the delta, including its strange and fascinating history and the challenges complicating its future.

The city of Eugene is testing an unconventional solution to a serious issue, with a ban on feeding a slew of wild animals.

Since this giant salty lake in the desert lost its water supply, its bird habitat has been shrinking and more toxic dust is wafting up from its dry lake bed. Can the Salton Sea be saved?

In a new forensics lab, state agents test samples of blood, saliva, tusks, and feathers in a quest to stem the illegal trade in exotic animal parts.

Farms drink up a majority of the state’s water supply, but the details are murky. Most of the largest irrigation districts aren’t reporting how much water they delivered to farmers.