This website no longer supports Internet Explorer 11. Please use a more up-to-date browser such as Firefox, Chrome for better viewing and usability.

Contact / Site Information

Published by Ltd.
Institut für nachhaltige Ernährungs- und Landwirtschaftssysteme / Institute of Sustainable Food and Farming Systems

Horngasse 5
CH-5070 Frick
Phone +41 79 218 8030

Director: Prof. Dr. Urs Niggli

Edited by

  • Anna Niggli,
  • Helga Willer, Frick

Copyright notice

The contents of this website are subject to copyright by All rights reserved.


Slide on front page:  Laguna Blanca in Argentina © Luis Franke. Tompkins Conservation,


All the articles and texts on these webpages have been compiled and checked with the utmost care and to the best of the authors' knowledge. Errors cannot however be ruled out. All information is therefore provided “as is” without any obligation or guarantee on the part of the publisher, and no liability whatsoever is accepted for any inaccuracies it may contain. In particular, this applies to all links provided to other websites, directly or indirectly.

Notes on links to other sites assumes no responsibility for the content and availability of any third-party websites to which links are provided here. The publisher has no control over the present or future design and content of linked third-party websites, and therefore assumes no liability whatsoever for their content. assumes no responsibility for the current validity, correctness, completeness or quality of the information provided via links to third-party websites. hereby explicitly distances itself from any or all illegal content on any such site. This disclaimer applies to all links and references to third-party sites introduced within the scope of our own internet services. The contents of external websites to which provides links are the responsibility of the publisher concerned.

Data privacy

Further Information on data privacy