Canton Zurich has been carrying out pioneering work, restoring the canalised River Thur to its natural state and reducing the risk of flooding in the area, as well as creating new habitats for wildlife. The project inspired the federal government to change the law. Developers carrying out work affecting Swiss rivers now have to follow canton Zurich's example and try to renaturalise water courses, thus promoting biodiversity. (Julie Hunt, swissinfo.ch)
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