Pick one topic from the list of topics below. Write an essay of about 2 pages (font size 12) in which you discuss the topic chosen. You will be graded on the quality of your argumentation and your capacity to structure and discuss a complex environmental topic in English. Points will be deducted for grammar mistakes. Please de?ne and explain Michael Porters theory of the value chain and how primary and support activities should be coordinated and maximized in order to add value to the end product. Study-case examples of companies deploying value-added practices may be used to illustrate your argumentation.