Seems like now the missing element is something like a trash wheel: <a href="http://www.discovery.com/dscovrd/nature/mr-trash-wheel-removes-4000000-cigarettes-from-baltimore-harbor/" rel="nofollow">http://www.discovery.com/dscovrd/nature/mr-trash-wheel-remov...</a><p>Which appears to be a hugely cost-effective way of cleaning up flotsam, I hope they catch on more.
The same thing can be said for the Charles River.<p><a href="https://www.washingtonpost.com/national/health-science/in-secret-talks-us-chinese-officials-found-common-ground-on-climate/2014/11/12/30d70c12-6abb-11e4-a31c-77759fc1eacc_story.html" rel="nofollow">https://www.washingtonpost.com/national/health-science/in-se...</a>
Great news, but now we have another environmental disaster:<p>"November 5th, two dams containing mine tailings and waste from iron ore mining burst, burying the small historic town of Bento Rodrigues"<p>Officially 30 dead, mud formed by ore spread over 400 miles<p><a href="http://dgrnewsservice.org/2015/11/11/dam-breach-of-open-pit-iron-ore-mine-catastrophic-for-brazil/" rel="nofollow">http://dgrnewsservice.org/2015/11/11/dam-breach-of-open-pit-...</a>