Create realistic trees using simple linework, shading, and crosshatching techniques. Step-by-step guidance shows how to build natural tree shapes, add bark texture, and develop depth from light ...

Douglas fir trees that survived the recent Frye Fire in the Pinaleño Mountains near Safford are prime habitat for endangered Mount Graham red squirrels — but those trees are threatened by tree-killing ...

Laura Busse Dolan, an artist behind the project, says each model is handcrafted using botanical materials ...

A scientist helps save Crater Lake’s whitebark pine trees from an invasive fungus. In 2002, “Oregon Field Guide” told the story of how an invasive fungus called blister rust was killing Crater Lake's ...

Arizona is looking at its largest uptick in tree mortality since the early 2000s when about 1.7 million acres were affected. New Mexico saw a similar pattern, though surveys done earlier this year don ...

A solar tree is a structure resembling a tree that generates solar energy using photovoltaic (PV) panels. It employs principles of biomimicry, using a natural system—in this case the form of a tree—to ...