The purpose of the article I chose was to bring awareness to the negative contributions of pollution coming from the Canadian side of Lake St. Clair. Detroit, Michigan and Sarnia, Ontario are two cities that border Lake St. Clair and St. Clair river. This article looks at the Canadian side of the lake and the factories such as Shell Canada’s fuel dock that contribute to the pollution of the water and air. Sarnia is within the Canadian Chemical Valley, which is an area that produces 40% of petrochemicals for Canada. There have been a large number of chemical spills in St.