The Norwegian Maple outside of Molly Pettit's home in Northeast Portland (pictured) was long a gathering spot for people, old ...

The city of Portland is getting greener and soon cooler. More than a dozen trees have been planted in the Lents neighborhood ...

The maps allow us to see what the most forested places in the U.S. have in common. Zooming in on a few different examples, ...

After a failed experiment with legal leniency, Oregon’s liberal stronghold tries to chart a path out of the fentanyl crisis.

If you’ve ever seen freshly planted trees in planting strips along the sidewalk, flanked by a couple ... On April 27, the Portland-based nonprofit will reach a milestone: 1 million trees and ...

Ever since I first visited D.C., I was in awe of how full of trees it was ... from slender maples to towering oaks swelling the sidewalks with their roots. I decided to find out whether it ...

For Jane Hamel, the Capitol Hill wishing tree is a space for vulnerability. A team of amateur arborists helps her to nurture a growing art project in her yard.

After telling Mayor Mike Johnston that downtown Denver is “completely falling apart,” Dave Query feels relieved.

What happens when hurricanes are followed by record-breaking temperatures? Forecasts suggest bracing for 'compound disasters.' ...