To help with the June '06 paper the following articles are useful:
Windfall tax
http://news.bbc.co.uk/1/hi/business/7219685.stm
Social audit:
http://www.csrwire.com/profile/1520.html
http://www.socialenterprisemag.co.uk/upload/documents/document9.pdf
http://www-static.shell.com/static/responsible_energy/downloads/sustainability_reports/shell_sustainability_review_2007.pdf
Shell advert
http://www.youtube.com/watch?v=LYGrWnqztxk