The world’s climate math increasingly hinges on a surprisingly specific variable: whether the Amazon’s biggest trees are left ...

At the United Nations Climate Change Conference in 2015, countries around the world committed to striving towards net-zero ...

The Garden Club of Palm Beach will host a Thursday lecture featuring photographer Brian Kelley, to discuss his work documenting significant trees across the U.S. The lecture is slated for 3p.m., ...

Arborists are turning vacant land on Detroit’s eastside into a small urban forest, not of elms, oaks and red maples indigenous to the city but giant sequoias, the world’s largest trees that can live ...

This tree, native to California, is the only one of its kind known to exist in the Atlanta area. Nobody knows exactly how the “mystery incense cedar” got here, nor who planted it, more than 180 years ...

Nancy Curtis stands in front of the coast redwood in the front yard of a property she owns in west Olympia. The tree, measuring 30 feet in circumference, is currently the largest Olympia tree that has ...

MILTON — Gwen Kozlowski is an expert at measuring the biggest trees in the state. She calculates their big tree points: circumference in inches plus height in feet plus a quarter of the average crown ...

This summer, Michiganders are invited by ReLeaf Michigan to join the adventure of searching for the biggest trees in the state. ReLeaf Michigan’s Big Tree Hunt is a free, family-friendly contest that ...

Add Yahoo as a preferred source to see more of our stories on Google. Photographer Brian Kelley will discuss his efforts to archive photos of the biggest, oldest and historically significant trees in ...