Insect invaders threaten Rome's iconic pines

Rome's majestic umbrella pines are as much part of the landscape as the ruins and cobbled streets, but they are under threat from a tiny insect invader—the pine tortoise scale.

US: Mountain pine tree that feeds grizzlies is threatened

Climate change, voracious beetles and disease are imperiling the long-term survival of a high-elevation pine tree that's a key source of food for some grizzly bears and found across the West, U.S. officials said Tuesday.

Evolution of pine needles helps trees cope with rainfall impact

If you have ever hiked in the woods and been surrounded by the sight and smell of pine trees, you may have taken a closer look at pine needles and wondered how their shape, material properties, and surface wettability are ...

Efforts afoot to save South's disappearing grasslands

In the early 2000s, a harvest of pine trees on Tennessee's Cumberland Plateau led to a remarkable discovery. Once sunlight hit the ground, the seeds and rootstock of native grasses and wildflowers that had lain dormant for ...

Antarctica: Cracks in the ice

In recent years, the Pine Island Glacier and the Thwaites Glacier in west Antarctica has been undergoing rapid changes, with potentially major consequences for rising sea levels. However, the processes that underlie these ...

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