NEW YORK -- It's a tough time to be a tree. For this Earth Day, National Geographic has focused its lens on humanity's relationship with the world's 3 trillion trees and 10 billion acres of forest, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Many tropical forests are ...

The H.J. Andrews Experimental Forest was established by the U.S. Forest Service in 1948. Located in the rugged Cascade mountain range of Oregon, the 6,400-ha preserve was covered with virgin forest in ...

Three organizations and an individual are suing the United States Forest Service — specifically the Gardiner District of the ...

Rare albino redwood trees in California forests may filter toxins and reveal new secrets about one of the tallest tree ...

Shopping for a Christmas tree? Eleven national forests across California are issuing permits to people hoping to decorate their homes with evergreens this holiday season. The U.S. Forest Service ...

EASTERN OREGON — Christmas tree permits are now available to purchase at the offices of the Umatilla, Wallowa-Whitman and Malheur national forests, several businesses in Northeastern Oregon and online ...

Native forest restoration usually starts with faster growing "nurse plants" that provide shelter under which to plant bigger ...

Tree removals often spark public outcry in Santa Barbara, but city officials say each decision follows years of environmental ...