Shell: Annual Report
http://www.shell.com/global/aboutshell/media/reports-publications.html
http://www.shell.com/global/aboutshell/media/reports-publications.html
Shell: Code of Conduct
http://www.shell.com/global/aboutshell/who-we-are/our-values/code-of-conduct.html
Walmart: Statement of Ethics
http://ethics.walmartstores.com/StatementOfEthics/BasicBeliefs.aspx
Sustainable development in German for learners of the German language.
http://www.alumniportal-deutschland.org/deutsche-sprache/deutsch-auf-die-schnelle/artikel/online-deutsch-lernen-uebungen-produktion.html
Criminal “business” is unsustainable:
http://www.aljazeera.com/news/americas/2014/01/guilty-plea-1978-us-robbery-case-201412422115592193.html