Just wondering, have science and free markets ever resolved a tragedy of the commons situation (except for destroying the resource)? I think the "original" solu

Just wondering, have science and free markets ever resolved a tragedy of the commons situation (except for destroying the resource)? I think the "original" solution for the sheep and lawns was to erect fences, which seems to me to be a purely political solution. It doesn't seem so different from issuing CO2 shares.