sweden crows cigarettes trained to clean up cigarette butts on Swedish streets A Swedish startup is training

A Swedish startup is training wild crows to pick up cigarette butts in exchange for snacks saving cities money and cleaning streets naturally., #Innovation #Sustainability #SmartCities #Wildlife Crows trained to pick up cigarette butts in Sweden Cigarette butts make up more than 60 percent of all street litter in Sweden, and cities spend millions of kronor every year cleaning them up. One Swedish startup looked at that problem Swedish firm deploys crows to pick up cigarette butts Birds The Guardian

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