News Environment How air pollution may make it harder for pollinators to find flowers Certain chemicals break down a primrose’s key fragrance molecules, blunting its scent A moth visits a fake flower in an experiment designed to see how flower fragrance, when mixed with air pollutants that can build up at night, affects the number of moths visits. Charles Hedgcock/University of Washington, Seattle Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Saugat Bolakhe March 7, 2024 at 9:00 am Air pollution may blunt the signature scents of some night-blooming flowers, jeopardizing pollination.