The aim of this assessment is to discuss Sourcing Strategies, by determining the best sourcing strategy, clearly stating the importance of sustainability through global value chain with Google as a case study. The specific objectives are as follows: Examine thoroughly the importance of different sourcing strategies as regards global value chains, discuss the value of sustainability of sourcing strategies to an enterprise, analyze a worldwide company's actions that are associated with sourcing strategies. Outline in an essay manner with elaborate explanation. Emphasize the importance of sustainability through Global Value Chains. Present atleast one example of a global firm that follows sustainable practises