Agreed, but with today's tech it ought to be a simple matter to quickly (on-the-fly) sort out and separate brown, green and clear glass even with very small fra

Agreed, but with today's tech it ought to be a simple matter to quickly (on-the-fly) sort out and separate brown, green and clear glass even with very small fragments. Adding the facility would cost, but then any attempt to clean up the environment won't come free. If we want to make progress we should get used to the fact.