Category Armchair Naturalist May 29, 2020 The Guardian| May 16, 2020 Out of a desire to reduce the number of fruit, seeds and pods falling to the ground, urban planners in the U.S. have been planting male trees for decades—and it's made things worse for allergy sufferers as it has increased pollen in the air. Read more Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window) Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.