Polish Geological Institute

He also worked for National Geographic magazine, the Museum of the Polish Geological Institute, the European edition of Scientific American, and various other publishing houses in Poland.

In accordance with the thesis presented in geological documentation prepared by the Polish Geological Institute in Warsaw, it was officially confirmed that deposits of mineral groundwater of Miocene and Devonian formations, which are present here, are of great value for curative purposes.

A Polish Geological Institute study published in March 2012 concluded that, while fracking at one site had produced toxic waste, the latter was reused and did not harm the environment, though critics said the study was carried out at the start of exploration in Poland and does not reflect dangers from a long-term activity.