Environmentally minded investors, take note: a controversial new bond format that links a company’s sustainability goals to its bottom line could be a game changer in building a more sustainable future.

Leading US CEOs recently pledged to redefine the role of the corporation in society. But will they make good on their promises? Responsible investors need a clear way to evaluate whether a company is really making progress by doing good for both society and investors.

Creating a sustainable fixed-income portfolio isn’t just about avoiding harm–it’s about doing good. The UN’s Sustainable Development Goals provide a road map for selecting companies that offer products and services that help the environment and create a more equitable, just world.