Your essay should build off of Homework Assignment 2 (review my feedback when it is posted). Write an essay with an introduction, body paragraphs, and conclusion in which you give an overview of the commodity chain of your product. You need to write about raw material extraction/production, manufacturing/assembly, and waste, but you may also include other dimensions of the commodity chain including design, marketing, transportation, and consumption as relevant to your particular research.
Do not just list off information about these various dimensions; dig deeper in your research by looking to news articles and reports and include in your essay information about and analysis of the human dimensions of your commodity chain at various geographic sites and across various aspects. For example, find an article that profiles a key factory related to your product and working conditions there or investigate an agricultural site (specific to your product if you can find it but if not, it can be a generic timber farm for instance) connected to a raw material of your product and discuss who labors to get that raw material, under what kinds of working conditions, etc.