Find out more about a Pinus edulis, a top 100 common tree in North America that grows in the Intermountain region.

Certain triggers, like pinon, juniper and other tree pollen, are particularly aggravating allergy symptoms for some people. The juniper pollen count is currently high in Albuquerque.

Denmark is looking to the state of Nevada to convert pinyon pine and juniper trees into biofuel that could be used to power cargo ships.

Pine tree pollen seems to coat most of the South in sticky yellow gunk every spring. But there are many types of trees that contribute to the seasonal pollen count, which measures how much pollen ...

WHAT TYPE OF POLLEN IS CAUSING ALL OF US THESE ISSUES HERE IN THE TRIAD? WELL, A LOCAL ARBORIST TELLS ME THAT THE MOST COMMON POLLEN THIS TIME OF YEAR IS FROM OAK TREES AND PINE TREES.

Pollen is everywhere this week, coating cars, patios, and more. Here's what to know about pine pollen season in Massachusetts.

Forest management tactics, removing large amounts of piñon pine trees to reduce wildfire risk also removed much of the pinyon jay’s habitat, the petition argued.

In the 19th century, miners removed pinyon pines and juniper trees to make charcoal. Repeating that past mistake doesn't bode well for climate change.

The yellow green dust is all over Massachusetts this week, but is the pollen that you can see actually making your allergies worse?

You can find those piñon nuts anywhere there’s piñon pine trees. That’s almost any forest in New Mexico, and if you’re lucky you’ll also find the pinyon jay.

Darr says declining Pinyon Jay populations and ongoing drought conditions are threatening piñon pine populations. She predicts if the birds go extinct, the pines will survive in smaller numbers.