Detroit is the pilot city for the Giant Sequoia Filter Forest. The nonprofit Archangel Ancient Tree Archive has donated ...

The stalactites and stalagmites of Sequoia National Park’s Crystal Cave, a sprawling subterranean wonder that’s been closed ...

A family had a close call with a manhole explosion in, New York, on Saturday, according to the city’s fire department. At about 1:34 p.m., th ...

Giant sequoia saplings planted by Detroit arborists aim to combat pollution and preserve native trees, creating an urban ...