Sarah Deumling has noticed some changes in her forest over the past 20 years.

There’s a little less water to go around, and her family’s land, Zena Forest in the Willamette Valley of Oregon, is a little hotter and drier during the summer. Why? These changes are consistent with climate models’ predictions of the way Oregon climate is shifting under the influence of global warming.

Regular, rigorous monitoring is an important part of good forest stewardship. No one knows this better than Chris Goodman. Chris and his family own and