Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...

PHILADELPHIA (WPVI) -- Tree pollen counts have escalated into the "extreme" levels and grass pollen is right behind it, according to The Asthma Center. Allergist Dr. Manav Segal says the extreme tree ...

Dave Miller: This is Think Out Loud on OPB. I’m Dave Miller. Since the extreme heat dome in the Pacific Northwest in June of 2021, researchers have been busy trying to identify how trees and forests ...

This story originally appeared on Yale Environment 360 and is part of the Climate Desk collaboration. From 2011 to 2016, California experienced five years of extreme drought, during which numerous ...