HANSON: So let's start with the color green. WILLIAMS ... out is that sort of in the background of this whole process, why the leaves are changing color, the tree is also entering what she ...

Some tree species can express several of these colors simultaneously as the season progresses. All leaves start out in summer as green. This is because of the presence of a group of green pigments ...

The 150-year-old tree was badly burned in the fires that ravaged Maui last month. New green leaves hint at the possibility of recovery for the tree and its community. By Livia Albeck-Ripka Over ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Opposite leaves are just what they sound like: the leaves, whether ...

An early freeze that catches a tree unawares can do the same or can cause its leaves to turn straight from green to brown before falling off. That’s because freezing water rips open a leaf from ...

Video footage shared by the Hawaii Department of Land and Natural Resources (DLNR) on September 13 showed fresh, green leaves sprouting from the tree’s branches. The survival of the tree has ...

The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons ... takes place in the leaf in numerous cells containing chlorophyll, which ...