The olive tree is native to the Mediterranean basin. Archeological evidence shows that olive oil was produced as early as 4000 BC. Besides food, olive oil was used historically for medicine, lamp fuel, soap, and skin care.
How does an acorn know to fall when the other acorns do? What triggers insects, or disease, to suddenly break out over large areas? Why do fruit trees have boom and bust years?
The 2000-2003 drought in the American southwest triggered a widespread die-off of forests around the region. A Carnegie-led team of scientists developed a new modeling tool to explain how and where trembling aspen forests ...
Pileated woodpeckers can cause a lot of damage to trees.
Researchers at the University of Georgia have discovered that manipulation of a specific gene in a hardwood tree species not only makes it easier to break down the wood into fuel, but also significantly increases tree growth.
A diverse group of researchers has teamed up to develop a therapeutic treatment for citrus greening disease, a bacterial infection that threatens the future of the U.S. citrus industry.
"Nobody should sell this wood. It protects the forest. But those who sell it will be hunted by the spirits of the forest," warns Daniel Messa-Abaga, a guardian of Gabon's Kevazingo trees.
City officials have accepted a $4 million federal grant to chop down trees in the ritzy Oakland hills, a decision that ignited debate over how best to prevent deadly wildfires.
Contrary to conventional wisdom, new research reveals that it is competition, not climate change, that has a greater impact on the changing composition of forests in Western Canada.
Don't be surprised if you look up in the sun's direction and squint with itchy, watery eyes. You might be staring into billows of tree pollen wafting through your town. It's certainly been happening where I live.