Aerial View of Boreal Nature Forest in Summer, Quebec, Canada

Climate Change’s Dangerous Effects on the Boreal Forest

The forest's unique ecosystem protects the world's largest carbon sink—the Earth's permafrost layer. But for how much longer?
42nd Street in Manhattan, New York

Could More Urban Trees Mitigate Runoff and Flooding?

With climate change comes more flooding. As cities confront the risks and potential damages, trees could become even more important.
Cork oak (Quercus suber) pasture near Arcos de la Frontera, Cádiz, Spain.

Plant of the Month: Cork

Why is cork so strongly associated with bottle stoppers? The answer goes back centuries.
tree bark

Tree Bark and Fire

A tree's hard outer bark helps it survive. Studying why it's thicker on some trees than others could help scientists understand how to protect them.
Tree Rings of a Stump

How Tree Ring Records Can Help Predict Droughts

Inside the trunks of trees lies a wealth of data on climate that goes back generations.
Small white flowers bloom on the end of a cherry tree branch near the base of the Washington Monument in Washington, DC.

Is Your Favorite Tree an Invasive Species?

Some superstar trees in the US are actually invasive to their ecosystems. Blossoming cherry trees, for example.
A dead tree in a forest

What Happens to a Tree When It Dies?

Decomposing trees on the forest floor become "dead wood"—a part of ecosystems that researchers are only beginning to understand.
Lodge-pole pines c. 1857

Good News for the Lodgepole Pine!

The long-lived species' survivor genes are dispersed from the Yukon to southern California, meaning that it has a good chance of weathering climate change.
Orange Buddish Monks Robe tied around a tree.

Why Some Buddhist Monks Ordain Trees

Buddhist monks in Thailand began tying trees with their traditional colored robes in the 1980s, as threats to ecology increased.
The Dragon tree (left) and Dragon tree fruit (right)

Plant of the Month: The Dragon Tree

Dragon's blood is all the rage now, but where does the scarlet resin come from?