Somehow, none of her poems has found its way into picture books — until now, as Caldecott honoree Melissa Sweet turns ...

No, it's not your imagination, and we have the scientific proof ...

DC trees are under stress from pollen, drought, and temperature swings. Arborist Lou Meyer explains what’s happening and how ...

The pollen count in Washington DC will be "very high" for the next two weeks, caused by extreme tree pollen levels throughout ...

DURHAM, N.C. (WTVD) -- Trees are waking up due to the recent warm spell we've experienced across central NC and that means pollen counts are increasing. In just a few short weeks, pine pollen will ...

If you get seasonal allergies, this will come as no surprise to you: Portland’s tree pollen levels are about as high as they get this week. According to AccuWeather, “fine, powdery” tree pollen in ...

Acadiana's weather is settling into a dry and warmer than normal pattern for the first days/week of Celestial Spring that will allow tree pollen to spike in the weeks ahead. Surface high pressure in ...

Add Yahoo as a preferred source to see more of our stories on Google. Tree pollen levels are already high in parts of Puget Sound and across the U.S., as a warmer-than-average winter extends allergy ...

While spring brings blooming flowers and leafy tress, it also brings copious amounts of pollen that trigger seasonal allergies. When pollen will reach it's peak depends on the area, however, tree ...

Storms don’t wash pollen away—they burst it into tiny pieces. Here's how it can lead to "thunderstorm asthma." ...