I would like to see the numbers (dollars and calories) on what it costs to recycle these materials, including transport and collection costs. It appears the tr

I would like to see the numbers (dollars and calories) on what it costs to recycle these materials, including transport and collection costs. It appears the trend is to externalize the sorting of materials, as this appears to be the most expensive part. Are there dedicated paid human sorters? Would people volunteer to help in such a way?