I need 3-4 paragraphs to answer this question

Corporate stakeholders are under pressure from investors, shareholders, customers and nonprofits to ensure sustainability is evident in the supply chain. Examine the ways companies can improve the sustainability performance of their supply chains. What must all companies do, and what must specific industries do to ensure a sustainable supply chain?

• Embed course material concepts, principles and theories, which require supporting citations along with at least one scholarly peer reviewed reference in supporting your answer unless the assignment calls for more. Keep in mind that these scholarly references can be found in the Saudi Electronic Library by conducting an advanced search specific to scholarly references.
• You need to reply to at least two peer discussion question post answers to this weekly discussion question. These post replies need to be substantial and constructive in nature. They should add to the content of the post and evaluate/analyze that post answer. Normal course dialogue does not fulfill these two peer replies but is expected throughout the course. Answering all course questions is also required.
• Use Saudi Electronic University academic writing standards and APA style guidelines.