These dark trees, encouraged by warmth, absorb sunlight, heating the air and ground. Perplexed by shadowy images on a satellite photo, a climate scientist packed up and set out for the Alaskan Arctic.

Spruce up your yard! With cold-weather hardiness, evergreen beauty and a range of sizes and shapes, the many types of spruce trees offer something for every landscape. Spruces are tall, symmetrical ...

And yet, here it was, healthy, strong, standing upright like a Christmas tree. The spruce’s presence was yet another sign of the long-term effects of climate warming on our planet.

The 78-foot Red Spruce will be displayed on the West Lawn of the U.S. Capitol. We went from the mountains to the sea and up here to D.C. in about 14 days," Adrianne Rubiaco from the national ...

Many people use the generic term “pine tree” for any kind of evergreen, but the fact is, there are over 68 genera of evergreens. One of the more common members are spruce trees.

As recently as 2003, a deep freeze injured red spruce trees around New England. Images of dead and dying red spruce forests in New England helped build the case for the 1990 Clean Air Act.

The tree, a 55-foot blue spruce, was chosen as the best among 38 entries to become the winner in the city’s Christmas tree contest, and is courtesy of the Spangler family in Western Springs, right.

Omaha’s official Christmas tree, a 40 foot spruce donated by Mark and Joanie Maszk, was harvested and transported to The Durham Museum on Monday Nov. 18, 2024.

A sample of your spruce tree and a few photos could help us figure out what is going on with your spruce trees. Colorado blue spruce trees are very susceptible to two common fungal diseases found ...