Vancouver is planning a high tech greenhouse to go on a parking garage.  See more in the article:

A new book presents in depth information on how trees change with time.  The book’s authors are researchers at the Forest Service’s Pacific Northwest Research Station.  The book is available from your favorite bookseller.  More information is avilable at the publisher’s website:

A new guide to invasive plants is now available.  Nonnative Plants of the Pacific Coast Region-  a field guide for identification is available from the Forest Service’s Pacific Northwest Research Station  as a 12 mb download or a hardcopy that can be requested.  This thorough  guide has  color  pictures and  descriptions to aid identification.  Download is available from:   and the hardcopy version can be ordered by   sending an e-mail to Ask for

Changing patterns in white spruce growth in  the Central Alaska Boreal forest.  Read an article about the research here:  white spruce

Most of the Lodgepole Pine in the Pacific Northwest and B.C. will be lost by 2080, according to a new study.  Pine will lose out to more drought tolerant Douglas fir and Larch as the climate changes. Read more in this article:  Lodgepole pine loss

Article in the Wilson Quarterly on the history of growing urban trees and their benefits:   What is a tree worth?

An article about the Engelmann Oaks of the southwest.

engelmann oaks

Trees grow roots to compete with other plants, a recent recent research project suggests:  04obtree.html?_r=1&ref=treesandshrubs

For those thinking about what kind of christmas tree is greenest, a post from the Oregon Cooperative Extension.  Of course they recommend an Oregon grown tree, but read on:  Greenest Christmas Tree

Recent article suggests warming forests may soak up less carbon: Forests soak up carbon, but for how long?