Environmental and Sustainability Studies is an interdisciplinary subject that will challenge you to combine skills and knowledge from a variety of different fields. You will gain a more complete understanding of natural and human environments, and you will be ready to lead change.Acadia s Environmental and Sustainability Studies ESST major develops environmental leaders, managers and professionals who are critical and insightful thinkers as well as creative problem solvers. We strive for you to become skilled in leading transformational change towards more sustainable, just, and socially responsible lifestyles, communities, institutions and societies through a broad range of career pathways across the non-profit, government and private sectors.