Major increase in airborne pollen, study finds

(ABC4) - According to new research from Proceedings of the National Academy of Sciences (PNAS) regarding climate change and pollen seasons, there has been a significant increase of pollen in the air in recent years.The study measured pollen trends across North America from 1990 to 2018, and not only found increases in pollen concentrations in the air, but also longer pollen seasons.The study found that the largest and most consistent increases were observed in Texas and the midwestern U.S.The re