A team of researchers at Harvard Business School reveal the results of one of the longest term and most in-depth looks at the impact of addressing sustainability issues on stock performance to date.  Authors Eccles, Ioannau and Serafeim find that the “High Sustainability Firms” dramatically outperform that of “Low Sustainability Firms” over an 18 year period.  The key drivers for the outperformance were found to be related to corporate governance structures and stakeholder engagement around sustainability efforts.  http://hbswk.hbs.edu/item/6865.html