Starting just about now, leaves start changing color from north to south, high to low, light to dark.
A 19th-century surveying mistake kept lumberjacks away from what is now Minnesota's largest patch of old-growth trees.
Seawater is raising salt levels in coastal woodlands along the entire Atlantic Coastal Plain, from Maine to Florida.
Researchers find that the coffee pulp is valuable in its own right.
Fractal patterns are noticed by people of all ages, even small children, and have significant calming effects.
A study finds 1.8 billion trees and shrubs in the Sahara desert.
We're in an era of 'megafires'.
Spending time in green spaces seems to yield many health benefits, most of which researchers are only beginning to understand.
TreeTalk finds rare arboreal treasures among London's common foliage.
Ecosia says the funds generated from users' searches help to plant one tree every second.
The blazes may be the first step in a hellish downward spiral.
They experience reality differently than we do.
The loss of elephants accelerates climate change.
A new study lays out a green (very green), data-driven plan to capture much of our atmosphere's carbon pool.
Intense lightning could have burned us out of the trees.
Trees are far from dumb; they talk and share, because they need each other to live better lives.