Mess around with the bones of the earth and there is liable to be trou­ble. Earth­quakes are appear­ing in new, star­tling places like Ohio, Okla­homa, Texas, Nether­lands, not known for earth­quakes but sites for frack­ing.  It’s mad­ness. Check out  Like Thun­der in the Ground, (Tom Dart, The Guardian, 1/5/18) to find about frack­ing and earth­quakes in north Texas and what an envi­ron­men­tal group, Live­able Arling­ton, is doing in response.