Scientists recommend raising fracking limit A group of geoscientists have urged the government to review the 0.5 magnitude fracking limit currently in place. In a letter sent to The Times and published on Saturday 9 February, 49 geoscientists from UK universities and institutions said that the limit is set “so low that it threatens the potential development of a shale gas industry in the UK”. They added that the UK’s current traffic light monitoring system is “very far ...