It is funny to me that everyone is just starting to do this.  At RDF, we have been working on this for the last five years.  We have reduced the number of wood skids that we receive our material on.  We have also been willing to work with our customers on using returnables.  Last year, we removed all of the old lights in the plant and replaced them with newer models that will reduce the amount of  light bulb changes and waste.  They actually provide more light at half the cost.
In addition to this we have been looking at our lubricants that we use in the plant, this make sense from a people perspective, and from an environmental  one as well. We use a water soluble solution that evaporates while it is drying.