This report comprises 12 sustainability cases on Royal Dutch Shell. Some cases relate to a specific sustainability issue, for example the cases on climate change or interfering with politics. Other cases reflect specific operations of the company in a certain geographical area, where one or more sustainability issues are at stake. This report provides the background information for another report: Erratum of Shell's Annual Report 2010...This report has not been reviewed by Shell before publication. [also refers to Cosan]