“What we found is that there has pretty much been a doubling of mold counts in 10 years and there’s been a huge increase in cedar elm tree pollen,” Sur said, adding that the increased ...

Tree pollen season is about to get real, as Friday's count surpassed 2,000 for the first time all year, according to the Houston Health Department.

Brown University’s 155-acre campus is home to thousands of trees and is recognized for its impressive American elm collection. Last year, the campus lost an iconic community fixture, an elm tree ...

Also known as red elm, gray elm, or soft elm, the slippery elm tree is native to North America. The tree is commonly found growing in moist, rich soil and may grow over 100 feet tall and live as ...