He expresses concern at the health risks involved in the extraction of these deposits, quoting Adam Law, an endocrinologist of the Weill Cornell Medical College in New York, who argues in favour of a moratorium on hydraulic fractioning until all the health effects are known.
Zaskrbljen je nad tveganji za zdravje, ki jih prinaša pridobivanje s teh nahajališč, in navaja endokrinologa Adama Lawa z newyorškega Weill Cornell Medical College, ki se zavzema za moratorij na hidravlično lomljenje, dokler ne bodo znani vsi učinki na zdravje.