An aggressive hatch of Douglas-fir tussock moth caterpillars is threatening trees, both in national forests and in Santa Fe.

Colorado is ready to light up the sky this Independence Day with fireworks, lasers and drones. COLORADO, USA — The Fourth of July is coming, and many may be contemplating where to watch fireworks ...

An average maturing tree under optimal conditions can transport up to 10,000 gallons of water only to capture about 1,000 usable gallons for the production of food and adding to its biomass.

Over $330,000 in infrastructure damages have been estimated, with more assessments to come, according to Hubbard County ...

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness ...

With Utah’s dry climate and extreme weather, Utah faces many of the same wildfire threats as California in January. Could Utah be next?

The city approved an urban forest plan with a big goal to plant 25,000 trees a year to nearly double the city's tree canopy from 19% to 35% by 2045.

About 20 people made the hike to the third floor of the Park City Library for the Monday evening talk, “Learning to Live with ...

GENEVA — Area residents kept arborist Alan Siewert busy with questions Saturday during Community Days at Memorial Field.

Adam McCurdy, the forest and climate director for the Aspen Center for Environmental Studies, is concerned that staff cuts in ...

Collecting seeds from aspens already growing in the Yukon gives the aspen growing in the fuel break a better chance at ...

A professor at Ohio State University has warned against the use of “mulch volcanoes” when landscaping, saying they can do ...