… he founded in 2006. Professor Esty is the author or editor of twelve books (including the prizewinning guide to corporate sustainability, Green to Gold) and dozens of articles on … he founded in 2006. Professor Esty is the author or editor of twelve books (including the prizewinning guide to corporate sustainability, Green to Gold) and dozens of articles on … he founded in 2006. Professor Esty is the author or editor of twelve books (including the prizewinning guide to corporate sustainability, Green to Gold) and dozens of articles on …