Renaturations, environmental reports etc. With CSD you realise projects in accordance with the environment. Read more

Quarries and gravel pits

Gravel pits: Successful approval thanks to our comprehensive expertise in environmental and procedural issues. Read more


Dump "La Pila" (pictured): CSD integrates expertise with creativity in order to handle waste and contaminated sites Read more

Areas and buildings

Integral solutions for new housing developments and redevelopment of neighborhoods. (Pictured: Housing development Gütsch) Read more

Road and rail

Tunnel de base du Gothard Sedrun

CSD provides engineering services in harmony with the environment for successful transport infrastructure projects, for example at the Gotthard base tunnel. Read more


Photo: Geothermal drilling St Gallen, City of St Gallen / Sankt Galler Stadtwerke, 2013. Read more


Near-natural, healthy and economical solutions for the entire water cycle (Pictured: Hydrogeological drilling at Vallorbe). Read more


CSD, environmental pioneer among engineering companies, is committed to economic solutions that improve the quality of living and the environment.

More about CSD
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  • EPFL: The quality of teaching by CSD managers is recognized

    epflEPFL Lausanne, one of the world's best technical universities, regularly measures students’ satisfaction of its courses. According to a study published in December 2016, the course "Impact studies on the environment" was particularly well graded : 100 % of the students reckoned that the course was "good" or even "excellent".

    CSD managers commit every year to pass on their experience to students in the field of environment and construction. At bachelor level, they give a course called " Sanitary engineering, water and waste management " and at master level, the courses " Impact studies on the environment " and "Sustainable Construction" at EPFL. All of these courses are very appreciated by the students because they are based on the experience of CSD projects. In the Swiss German part of Switzerland, CSD managers are also teaching in universities.

    Photo: EPFL - Alain Herzog

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  • MOOC: More than 27'000 have signed up!

    mooc epfl dechetsThe MOOC "Solid Waste Management in Developing Countries"  launched in February 2016 by EPFL and EAWAG/SANDEC in collaboration with CSD, continues to be successful.  After 10 months, the course already has 27'360 sign-ups worldwide. Also, it reaches the high appreciation score of 4.8 out of 5. Interested? Don’t hesitate to register here

    See the Youtube video presenting the course:

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  • Merry Christmas and a Happy New Year


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    Currently there are no upcoming events.

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