Air pollution makes it harder for bees to smell flowers
Briefly

Plants smothered by pollutants had 70% fewer insect visits and received 90% fewer flower visits than those in unpolluted plots, with concentrations below US safety limits.
Pollution can disrupt insect attraction to plants, impacting pollination essential for 75% of wild flowering plants and 35% of food crops, leading to reduced seed production.
Read at Ars Technica
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