This two-day course is offered by North Lake College Continuing Education. The introductory workshop describes 20 years of thinking about what sustainability is and how to achieve it. It is grounded in best practices, rigorous science and the contributions of thousands of experts, business professionals and community leaders from around the world. This workshop will introduce you to the basic concepts of The Natural Step Framework allowing you to practice applying those concepts to business and detail ways in which others have successfully applied the framework to their operations. Cost is $175. Follow up four-day course is held Nov. 2-10.