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The wastewater treatment plant in Hamilton, Ontario is unable to keep up with demand during heavy rainstorms. Combined sewage and stormwater lines in the oldest parts of the city trigger outflow of screened sewage directly into the harbour several times each year, after heavy rains. The harbour itself has been the focus of a remediation effort for several decades. Addressing both industrial legacy pollution and the municipal sewage problem is considered to be key to achieving the harbour's "delisting" as an area of concern in the Great Lake watershed. This project requires students to help Hamilton residents reduce the pressure on the wastewater treatment plant by reducing the amount of water in the sewage system, the amount of water in the stormwater system or by ensuring that the water is relatively free of chemicals pollution. Some pharmaceuticals have been linked to a feminizing effect on the native fish in the harbour (Purdy, 2009). Students develop realistic strategies for residents to adopt and present their findings to a community partner, the Bay Area Restoration Council, involved with the remediation effort. Students arrange themselves into groups of three or four during a regular lecture. Any students not present at that lecture will be assigned to a group by the instructor. The groups are then charged with writing and signing a contract detailing the responsibilities and consequences of the work. For example, groups may decide how many meetings may be missed and what happens if a member misses too many meetings. Typically, the most stringent consequence is that a member is removed from the group and must complete the assignment, on time, independently. There was one case of this last year. The groups then sign up to conduct research into one of four different theme areas: grey water, stormwater, water waste in bathrooms and domestic chemicals. They then develop a strategy for an average household to reduce pressure on the wastewater treatment plant in one of these areas. The strategy must be economically feasible for most residents in the city. The groups meet with myself or a teaching assistant at least once during the project to talk about their plan. The physical posters and electronic versions are all due on the same day and are then displayed in two separate "poster days." Students are given participation marks for giving feedback on notepads hung at each poster. Community partners form a panel of guest judges and talk to the students about their work, ask questions etc. The teaching assistants and I also visit each poster and ask questions. The guest judges award prizes to the best poster in each category (independent of any marks). Last year, the best ten posters (judged by the guests and the instructors) were also invited to present their posters at the annual general meeting of the community partner. Members of the public circulated among the posters and talked to students about their work. Members of the press were also present. This annual meeting took place after the semester had ended. The plan for the next version of this project is to send the electronic files out to community partners so they can display them on their web pages or print them out and display them in offices, schools or other public places.
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