Conifers are generally better than broad-leafed trees at purifying air from pollutants. A new study shows that the best trees for air purification depend on the type of pollutant involved. Conifers ...

Forests are shaped by light competition. The trees that grow the tallest have access to the most sunlight, blocking the rays ...

Add Yahoo as a preferred source to see more of our stories on Google. Adding one or two trees with red leaves to your plot is a wonderful way to introduce beautiful structure, ornamental detail and ...

When trees and soil fungi form close associations with each other, both partners benefit. Many tree species have further enhanced this cooperation by forming a concurrent symbiosis with two different ...