"Trees are very nice. They fill up the sky. Even if you have just one tree, it is nice too. A tree is nice because it has leaves. The leaves whisper in the breeze all summer long." — From "A ...

Big Bear, California - May 13: Hunter Elebash, 34, earth moving equipment operator, stands next to the machine he used called a masticator to remove trees and shrubs as part of a forest-thinning ...

In the Northeastern U.S., trees around the edges of urban forests grow faster, and the soil gives off less carbon dioxide, than scientists expected and may play an outsized role in combatting ...

If you thought the ancient evergreens at California's Big Basin Redwoods State Park were old, the state's bristlecone pines make these old-growth trees look like saplings. Hidden within Inyo National ...

New research reveals that thunderstorms - not just drought or heat - are a major cause of rising tree deaths in tropical ...

A test plot at Andrews Experimental Forest east of Eugene near Blue River was part of a worldwide study that established most trees grow faster as they age. (Amanda Cowan/Mid-Valley Sunday) ...

Shifting trees that can handle midcentury climate projections—so new forests are adapted to the temperatures of roughly 2040 to 2070—seems to be the Goldilocks balance that will ensure a ...

The ground directly beneath big trees, cut off from the sky by branches, tends to build only a shallow snowpack, while forest floors further away enjoy deeper accumulations.

More than 50,000 trees, shrubs and colorful flowering vines were used to cover the Forest in the Sky building, virtually camouflaging it into the surrounding forest.

Clouds are formed when air is lifted and cooled. When the relative humidity reaches 100 percent, water vapor will start to condense onto tiny aerosol particles in the air, forming cloud droplets.