Module #1 introduced you to the idea of sustainability and why it is important. Next, modules #2 and #3 focused on influences (global megatrends) and impact they have on business values. Module #4 will focus on helping you define what sustainability means for you and your organization. As well as introduce you to tools at your disposal.
To get a baseline gauge of what your ecological footprint might be, you should use one of the following links and measure your impact (15 min)!
EPA Carbon Footprint Calculator
Next step would be to identify your (organizational) sustainability commitment efforts and objectives. One of the helpful tools for determining and implementing best policy, systems, and environmental change strategies is called the Natural Step Framework. “The purpose of The Natural Step International is to accelerate the transition towards a truly sustainable global society.”