Works Cited

When it took place, http://www.chinahighlights.com/yellowriver/

History of Why, http://www.dailymail.co.uk/news/article-1089230/Chinas-Yellow-River-unsafe-use-high-pollution-level.html , http://www.msnbc.com/msnbc/watch/yellow-river-chinas-environmental-sorrow-233261123594

Images, http://picturetip.com/yellow-river-china-pollution.html

By: William Pottorff