crows picking up cigarettes Wild trained to pick cigarette butts in Swedish street cleaning project In Sweden, a startup tested

In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a 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 by Swedish Startup Wild crows trained to pick up cigarette butts in Swedish street cleaning project South China Morning Post CROWS Clean Up City Streets by Collecting Cigarette Butts Recycling Council of Alberta

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