Discuss how the Transition to a Post-carbon World Reshapes the Meaning of Energy Security and with What Social, Political and Geographical Implications?

In present society, energy security is the rock stars theme among the other social issues we concern about. It is an essential sector for experts who are doing city and regional planning and city management making decisions. As it did in the case of German's energiewende and Japan Fukushima Daiichi Event (nuclear disaster after 2011 earthquake) that has brought the importance of considering energy security in the planning and management process. For this essay, it will deeply identifying what energy security mean in the past and at present to give an idea about how the post-carbon world reshapes the concept of energy security and furtherly, how the concept energy security influence social life in social, political and geographical aspects.