Washington DC's plastic bag tax reduces single-use plastic bag use by 50% and raises money to clean the Anacostia River
Washington DC’s Office of Tax and Revenue announced that the first month’s revenue from the Anacostia River Cleanup and Protection Act was $149,432.27. Read the story at D.C. Council member Tommy Wells' website:
http://www.tommywells.org/content/view/887/2/
For background, here is a story from when the day the tax went into effect:
http://www.washingtonpost.com/wp-dyn/content/article/2010/01/01/AR2010010101673.html