Machine learning to the rescue. Actually do a image analysis on each piece of rubbish deposited. You can use machine learning to induce learning in crows. Just

Machine learning to the rescue. Actually do a image analysis on each piece of rubbish deposited. You can use machine learning to induce learning in crows. Just imagine this sort of thing being in every park, it could significantly cut down on litter. Who knows maybe we can get birds to weed our yards for us using these sorts of methods.