Seattle Times reporter Lynda V. Mapes, in an effort to learn more about our forests, overcame her fear and climbed a 200-foot ...

We continue our April focus on trees with some excellent flowering options and the right places to plant them.

The Jeffrey pine, one of the iconic trees of the Sierra Nevada, appears to have eclipsed other pines to become the ...

Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation ...

There are many other old-growth forests across the continent. Each of these forests has a unique ecology, but all are under ...

Going green at home can reduce emissions — but also raise your utility bills. The Post asked experts to do the math on a real ...