Trees warm the planet in places where they reduce the ground’s reflectivity — including much of Kansas — and don’t capture enough carbon to offset it.

In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.

We normally think of trees as being good for the environment. But in parts of the Midwest and Great Plains, they're heating up the earth as woodlands take over grasslands.

Kenyan fig trees can literally turn parts of themselves to stone, using microbes to convert internal crystals into ...

Some carbon dioxide absorbed by fig trees gets turned into calcium carbonate within the wood and the surrounding soil, ...

Kansas City has committed to planting 10,000 trees in three years. But the city's existing tree canopy is relatively old and under stress by climate change and other factors.

First Lady Claudia "Lady Bird" Johnson promoted the Bradford pear in 1966 by planting one in downtown Washington, D.C. Bradford pears were bred as "city trees," and have been used to adorn urban ...