Despite tree losses on some farms, Greene said farmers across the region — who harvest between 4-5 million Christmas trees ...

A second look is exactly what some scientists did. Those researchers snipped leaf samples from multiple trees in that ...

Nasty root rot threatens the Fraser fir, a beloved Christmas tree. North Carolina scientists are trying to save the iconic species.

If you’re in the market for new trees, consider planting natives. They are generally lower maintenance than exotic species, require less water, fertilizers and pesticides, and often cost less ...

Physically close trees did share more similar mutations than those that were far apart — but only slightly more. However, over a smaller scale of 1–15 metres the trend was stronger ...

The world’s largest tree has been rigorously dated for the first time, confirming it is at least 16,000 years old. Named Pando, the tree is a quaking aspen (Populus tremuloides) with around ...

CLIMATEWIRE | More than a third of the world’s tree species are at risk of extinction, according to findings by the International Union for Conservation of Nature. The group said that its first ...

An assessment from the International Union for Conservation of Nature paints a grim picture of the extinction risk of the world’s trees Sarah Kuta Daily Correspondent At least 16,425 of the ...

More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk ...

By Catrin Einhorn Reporting from the United Nations Biodiversity Conference in Cali, Colombia More than a third of the world’s tree species are threatened with extinction, according to the first ...