Hope that you have other career plans--being head, or even a member of a group like can get you into big trouble--you either step on a lot of toes by recomending changes in a lot of other people's domains, or you don't recommend anything and incur the wrath of all the "Green People"--don't think that I am anti-enviroment, quite the contrary--but there is no way that you can do your job with this project without making enemies out of people who you will have to work with down the road.

Smart managers farm this stuff out to consultants so that when the final report comes in, everyone can blame someone outside the organization for making unpopular recommendations--if top management decides to run with it, fine, if not, no one is left hanging in the wind--