Dec. 26—Invasive pests can hide on festive foliage Holiday greenery and Christmas trees bring joy throughout the season, but they can also hide dangerous...

Trees and forests across the United States are facing an increasing number of threats, including climate change and wildfires. Sarah Gibbens, environment writer for National Geographic, joined CBS News' Carter Evans to discuss.

Excessive clustering of tree species in urban forests and overreliance on introduced species may make urban forests more vulnerable to pests or disease and reduce their ecosystem benefits, a study published today in eLife shows.

If you want to go for a walk in the woods, here are some places to maybe avoid. In case you get grabbed by a tree with arms, like Dorothy did in the land of Oz.

A tree is not just a tree. It is also fuel, paper, furniture, livelihood, and industry.

Landowners say hundred-year-old oaks have gotten sickly. Conservation workers are documenting trees with curling leaves and forests with thinning canopies. Scientists have found widespread evidence of chemicals in their leaves.

A new study, published in Biological Conservation, finds that two conservation strategies provide complementary benefits to native birds found in coffee-growing regions. Setting aside forest conserves more forest specialists and breeding birds, while growing coffee under a shade tree canopy protects more generalists and non-breeding birds.

There is no crystal ball to tell ecologists how forests of the future will respond to the changing climate, but a University of Arizona-led team of researchers may have created the next best thing.

An estimated 36.3 million trees died last year in California, a massive jump from the 9.5 million trees that died in 2021, according to an aerial survey report from the U.S. Department of Agriculture Forest Service.

The debate about the degree to which forests and fungi communicate raises the painful question of confirmation bias, says author Sophie Yeo

Artist records underground sounds generated by Pando, a huge group of aspens in Utah considered to be a single organism

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Even the hardy eucalypts are finding their limits as we experience more frequent bushfires, heatwaves and droughts

Researchers hope the findings will inform policymakers planning cities for a warming world

Other lives: Naturalist whose observation of the cycles of British trees helped confirm that spring starts much earlier than it used to

Firefighters struggle to contain blaze that began at munitions site used to store second world war bombs

Protest on private lot the latest episode highlighting tensions as climate crisis diminishes Seattle's urban canopy

Brief letters: The 'Plant a tree in '73' campaign | Mark Redhead | Decor choices in hospitals | Tory leadership | Wildlife photography

"The crisis is upon us," Agriculture Secretary Tom Vilsack said.

Old trees engage our deepest faculties: to revere, analyze and meditate.