30th Annual Biggest Ocean Cleanup Ever
Plastic is forever. Every piece of plastic ever made still exists today. This cleanup is one way to raise awareness and put a dent in the problem. If you don't live near an ocean, there are always lakes and rivers that need your attention.
http://www.plasticpollutioncoalition.org/pft/2015/9/6/30th-annual-bigges... (link is external)