The world's oldest shrub was just found in Finland's tundra. The old-timer is a direct cousin of Arizona's Junipers found throughout the mountains, Juniperus ...

The warming spring air is a welcome relief from the bitterly cold winter across much of the US, but millions of seasonal ...

Climate change is impacting allergy season, the report found. In California, grass and weed pollen counts increased last year ...

If you’ve ever stepped outside only to feel your sinuses stage a full-scale rebellion, you have the trees to thank. Tree pollen is nature ... it provides. Bald Cypress (Taxodium distichum ...

If your eyes are watery and your nose is runny, you likely have seasonal allergies. Here are the common allergens in Phoenix and how to fight back.

Allergy season has begun. Tree pollen tends to be the first major irritant for allergies. AP Share Allergy season is starting earlier this year thanks to an unseasonably warm March, says a Loyola ...

While ragweed is the biggest allergen problem in the spring, and sometimes the fall, other local allergens include trees such as ... who has been counting pollen in Arizona for five plus years ...

On Tuesday, the Oregon Allergy Associates reported high levels of tree pollen in the air. The dominant pollen was Alder, but tests also picked up Birch, Cedar, Cottonwood, and Hornbeam.