crow cigarette butts In Sweden, Crows Are Learning to Pick and Dispose of Properly Swedish startup's device trades food

Swedish startup's device trades food for litter, reduces cigarette butts 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 No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist In Sweden, a startup tested a machine that rewards crows with food every time they drop cigarette butts into it. The idea sounds unbelievable, but the goal was simple: turn one of The Guardian Crows are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive. The wild birds carry Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews

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