With a mandate from end investors and institutions alike, asset managers around the world are pursuing ever more sophisticated and nuanced sustainable investment strategies. One area of potentially unique alpha is the Japanese equity market. After years of being neglected, shareholders have once again gained a powerful voice amid the dramatic shift in corporate governance that is ongoing even as you read this. This report looks at the many facets of the sustainable investment opportunities in Japan, and focuses on the approach of SPARX Asset Management, a firm that is leading the way in engaging with Japanese companies on issues of critical importance.