September 20, 2020 — By Guest Columnist Tom Spies — Spies is an emeritus scientist with the USDA Forest Service’s Pacific Northwest Research Station. He lives in Corvallis. The devastating wildfires in western Oregon have caused tragic losses … More

September 20, 2020 — By Guest Columnist Tom Spies — Spies is an emeritus scientist with the USDA Forest Service’s Pacific Northwest Research Station. He lives in Corvallis. The devastating wildfires in western Oregon have caused tragic losses … More
May 21, 2019 — For the past several years, the managers of a reservoir in Oregon have let all of the water out for a week or so, so that the stream that feeds it flows freely. The … More
April 16, 2019 — Sometimes a great deal of insight about how landscapes change over time can be gained through relatively low-tech approaches. A “repeat photography” project on Wyoming’s Bridger-Teton National Forest offers a case in point. Half … More
January 14, 2019 — A mysterious disease first detected seven years ago is attacking beech trees in Ohio and Pennsylvania. Scientists are scrambling to find the cause as the disease spreads rapidly. Beech leaf disease has been detected … More
December 3, 2018 — The world’s forests are about to get a close-up. Tomorrow, a laser-shooting instrument is scheduled to blast into space for a rendezvous with the International Space Station, with the goal of taking precise measurements … More