Paris has successfully cut noise pollution, but urban birds still can’t sing at their natural pitch #NoisePollution #Environment #Wildlife #Birds #Paris #Urbanization #Biodiversity #Conservation #Sustainability #Nature #Ecology #Science #UrbanLife #Cities https://the-14.com/paris-has-successfully-cut-noise-pollution-but-urban-birds-still-cant-sing-at-their-natural-pitch/