Tree of heaven is highly invasive and incredibly difficult to eradicate. Learn how to control ailanthus and manage its unchecked spread.

Forty people from 18 countries became U.S. citizens during a naturalization ceremony on June 13 held beneath the 'Big Tree' at Redwood National and State Parks.

Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 12cm ( about 5 inch) 22 gauge ( wire diameter 0.4mm ) : 30cm ( 12 inch) ...

The Joint Genome Institute (JGI) is a DOE Office of Science (SC) national user facility operated by Lawrence Berkeley ...

One simple and accessible fix is to plant more trees. Diana Beresford-Kroeger, a Canadian botanist and author, says if we ...

California’s iconic trees are so well appreciated that three national parks are named after them: Redwood, Sequoia and Joshua ...

More generally, Dheer said the summer months tend to be a “really active period” when males are “out and about,” fighting with one another as they seek out their new mates, but also searching for ...

An effort to return 73 square miles of forests to California’s Yurok Tribe has been completed. Organizers say the deal will ...

Facilities that make wood pellets have a track record of catching alight. Yet there are plans to build several near ...