If a tree's rings are studied in a lab but no one hears them, do they make noise in the climate movement? An associate professor of oboe at the University of Arizona wondered. It led her to team up ...

Douglass' original collection forms the core of the tree-ring lab's archive, which has grown into the world's largest collection of ancient timbers, with more than 2 million specimens ranging from ...

Having a solid estimate of the amount of carbon that forests can pull from the atmosphere is essential for global accounting of climate change—leaders are counting on forests to pull a good chunk of ...