I found these materials really interesting and I believe they can help widen the scope of our knowledge and understanding on the ENVIRONMENTAL IMPACT ASSESSMENT. Click the links below or you can copy and paste the links in a new window to access them ; http://www.unep.ch/etu/publications/14%29%2063%20to%2074.pdf
http://www.man-greencourses.com/papers/paper6b.pdf
http://www.ddhmag.com/eiazagi407.htm

You can also click this link for the facts and judgment in the case of Berkley v. Secretary of State for the Environments & others; Berkley's case