Environmental Earth SciencesAugust 2012, Volume 66, Issue 8, pp 2543–2544 | Cite asInternational viewpoint and newsAuthorsAuthors and affiliationsAnne Marie de GrosboisEmail authorViews and NewsFirst Online: 29 June 2012 61 Downloads This is a preview of subscription content, log in to check access.Copyright information© Springer-Verlag 2012Authors and AffiliationsAnne Marie de Grosbois1Email author1.FreibergGermany