Twitter data reveals partisan divide in understanding why pollen season's getting worse

Two things are clear from a University of Michigan analysis of nearly 200,000 Twitter posts between 2012 and 2022. One, people are really good at identifying peak pollen season: The largest volume of tweets about pollen often lined up with pollen counters hitting their biggest numbers. And two, liberal users on Twitter were more likely than conservatives to ascribe shifting pollen seasons over the years to climate change.