A cylindrical, concrete shade structure designed with the aesthetics of the surrounding desert landscape in mind was recently unveiled at Joshua Tree National Park. The Carapace Pavilion — named for a ...

Large-scale satellite data has shown that while large trees expand their crown during the dry season, small trees drop leaves – possibly due to limited light availability in the shaded understory. A ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are food factories for the tree. Powered by sunlight, the green ...

2001-08-19 04:00:00 PDT Siem Reap, Cambodia-- Thick, sinewy and ghostly white, soaring into the sky, they signal nature's dominance over man. The trees of Angkor tower over the great temples, their ...