http://www.awa.zh.ch/internet/volkswirtschaftsdirektion/awa/de/uebe...

... 489 16.5 Water resource management 215 1 458 14.7 2 768 12 296 22.5 2 456 10 392 23.6 344 1 290 26.7 ... management 215 1 458 14.7 2 768 12 296 22.5 2 456 10 392 23.6 344 1 290 26.7 Other cleantech areas 5 754 26 ... 489 16.5 Water resource management 215 1 458 14.7 2 768 12 296 22.5 2 456 10 392 23.6 344 1 290 26.7 ... management 215 1 458 14.7 2 768 12 296 22.5 2 456 10 392 23.6 344 1 290 26.7 Other cleantech areas 5 754 26 ...