The authors studied a series of works by abstract painter Mondrian that depict the same tree but in increasingly less realistic ways. His 1911 work “De Grijze Boom” (“The Gray Tree”) shows ...

It's a way to preserve trees, particularly varieties that mostly have been lost to time. "It's sad, a lot of (heirloom trees) are gone, but the ones that exist still carry the stories of the ...

It was a year when fire seemed to engulf the continent. Flames surged through the pinyon-juniper woodlands of the Southwest, the ponderosa pine stands of the Rocky Mountains, the mixed conifer ...