Editor's note: This post is part of a series. We'll be releasing one of Worldchanging ally Andy Lubershane's original comics each week until the end of the year. While many of the issues covered in the comics have been discussed on Worldchanging in the past, we hope that you'll be able to use this new medium in a different way … whether it's in your classroom, on your office wall, or to help explain ideas to friends and family.

This week's cartoon describes Chief Sustainability Officers. Business executives in this increasingly popular role guide their companies toward policies and actions that are socially and environmentally responsible in legitimate ways. To learn about innovative MBA programs that are training the executives of tomorrow to run sustainable businesses, read Sarah Kuck's post on Bringing Sustainability to Business (it's part of our recent series on higher education, called Majors Making a Difference). Or read more about building a bright green economy from Ceres president Mindy Lubber in her post, Seizing the Moment to Build a Sustainable Economy.

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Andy Lubershane researches, writes and cartoons about sustainability from his home in Boston. He can be reached at alubershane[at]gmail[dot]com.