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Pollution is dulling the scent of flowers and impeding some of the most basic processes of nature, disrupting insect life and imperilling food supplies, a new study suggests.
The potentially hugely significant research – funded by the blue-chip US National Science Foundation – has found that gases mainly formed from the emissions of car exhausts prevent flowers from attracting bees and other insects in order to pollinate them. And the scientists who have conducted the study fear that insects' ability to repel enemies and attract mates may also be impeded.