Do you want your students to engage in a project that is real-word based and can create positive change? Consider having them write recycling proposals they can present to local organizations to persuade them to incorporate recycling to reduce waste.
This is a rubric that can be used to assess a student recycling proposal. It can be used as a formative and summative assessment, although its intent is as a summative assessment.
Items in the rubric include: quality of ideas, scientific feasibility, collaboration, creativity of plan and implementation, marketability of plan, financial details, and timeliness of ideas.