Below are some good resources for businesses on sustainability planning.
The Step by Step Guide to Sustainability Planning
This book authored by Marsha Willard and Darcy Hitchcock discusses how to do sustainability planning in a simple and straightforward manner. It offers some great tools for assessments, reporting and developing metrics.
Global Environment Management Initiative (GEMI)
Offers free online based web tools to help businesses with sustainability planning.
Unilever Sustainable Living Plan
Launched in 2011, Unilever has targeted some of the most aggressive targets in multiple areas for sustainability. Their plan is organized into three categories of Improving Health, Environmental Impact and Enhancing Livelihoods.
The Canadian government has provided a host of online tools, research and white papers to encourage businesses to be more sustainable. These are free downloads.