Have the students make a poster to raise awareness about the issue of sewage. Split them into groups of 2 or 3 and have them pick three pieces of information that really stood out for them and that they felt other people should be aware of.
Water Pollution Poster Grading Rubric. Posters are graded based on information (general description, pollution source, how common the type of pollution is, etc.), use of pictures, and presentation of product (spelling/grammar, visually appealing)