It struck him as a fish out of water: The oak was growing in a spot much hotter and drier than the species’ typical habitat. He and a colleague hypothesized the tree might have first sprouted ...

The recommendations are more resistant to pests and environmental changes while less llkely to cause infrastructure damage.

The highest recorded elevations of Jeffrey pines provide new evidence of a warming climate in the High Sierra. UC Davis ...

“The city didn’t factor in all the ways this development could permanently harm the Jurupa Oak and other sensitive species ... California Environmental Quality Act by overlooking threats to the Jurupa ...

For a Yankee in the South, everything about the environment scares you off. Heat. Humidity. Flying termite season (seriously, it’s a thing). But this cold-and-snow-loving Northerner braved the ...

To date, none of the six traditional subalpine forest species have been collected above 12,034 feet. This suggests the Jeffrey pine is California's highest tree—at least for the moment.