Building Green Demo
If you conduct any research in sustainable building materials and practices, you may be aware that Drexel University Libraries provides access to the Building Green Suite. According to their web page, Building Green is an "independent company committed to providing accurate, unbiased, and timely information designed to help building-industry professionals and policy makers improve the environmental performance, and reduce the adverse impacts, of buildings."
Below is a video provided by Building Green featuring an overview and brief tutorial:
You can find more videos by and about Building Green at their You Tube page.