Trees are known for absorbing CO2. But microbes in their bark also absorb other climate-active gases, methane, hydrogen, and ...

Every year, the Christmas tree debate returns: Is it better to cut down a natural tree for a short-lived holiday display, or use an artificial one made from non-recyclable plastic? The answer is not ...

There is nearly $1 billion in tree business around that small dead variety placed in stands in 27 million U.S. homes this time of year. Unfortunately for Christmas tree farmers there are 91 million ...

Every year, as the leaves turn and a chill enters the air, a familiar debate lights up social media feeds. The question is simple yet divisive: when is the right time to put up the Christmas tree?

From Tasmania to the Top End, Australia's forest trees are dying at higher rates due to climate change, according to new ...

Australian researchers have discovered a hidden climate superpower of trees. Their bark harbors trillions of microbes that ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

They may be lovelier than poetry, but if you don’t know how to identify them, what’s the point? Students from Debbie Valerio’s 4th-6th grade science club at the Windham-Ashland-Jewett Central School ...

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations. UC Davis ...

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LAHAINA, Hawaii — When a deadly wildfire tore through Lahaina on Maui last August, the wall of flames scorched the 151-year-old banyan tree along the historic town's Front Street. But the sprawling ...

Fall leaf color and climate change, urban trees, heat islands and downtown honeybees. Why do leaves change color in the fall, and how will climate change affect that rainbow of color? Plus, urban ...