The spiky, iconic Canadian maple leaf. A large, lush Florida palm leaf. Thin aspen leaves rustling in the crisp Colorado air. You can probably recall many different leaf shapes from many different ...

Dear Dr. Dirt: Can you identify this tree with long, pencil-shaped pods? The tree has beautiful bloom in late spring. — Bill, Monrovia Dear Reader: The tree in question is the common catalpa, Catalpa ...

A French start up called New Wind, has made a design for silent wind trees that have been installed at the United Nation's Conference on Climate Change (referred to as COP21). The trees, outside of ...

Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. There's a term for this curious leaf-retention ...

As the autumn leaves flutter to the ground, you might find yourself picking one up, observing its color and shape, and wondering: What kind of tree is this from, anyway? Oregon is best known for its ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...