“The best time to plant a tree was 20 years ago. The next best time is now,” or so goes the Chinese proverb. If you’ve ever basked under the cathedral-like canopy of a magnificent old shade tree on a ...

Trees function as a natural recycling machine. Tree leaf surfaces take in moisture from the air (in the form of carbon dioxide) and heat from the sun to make food, a process called photosynthesis.

Close your eyes and tell me what you see when you think of Cascades Park. I see lots of concrete, grass and very few trees. It is not a tree shaded park. It is hot and mostly unusable in the summer ...

Researchers in Sweden and the United States have publicly released a new database of many of the most important genes in a tree genome. This collection of genes, which includes a large proportion of ...