Week 260 6PPD-quinone and thee - you are killing coho salmon

Oregon Coastal Coho salmon are listed as Threatened under the Endangered Species Act. Strident efforts are being made to recover them and yet the numbers are still low. Nowhere near the historical salmon runs. Millions of dollars are being spent annually to bring this species back from the brink. What is killing these fish and preventing them from returning to their natal steams to spawn? It is you! It is us! A compound known as 6DDP-quinone is being produced by your tires, flowing into river and stream systems killing this most critical keystone species. What can we do to restore the runs with such an onerous wicked problem to deal with?