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.

“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 ...

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 have conducted an empirical field study and concluded that single urban trees, such as street trees, function differently than trees grown in clusters featuring significantly greater ...