THE last talk was given by Laurence Stamford, lecturer in sustainable chemical engineering at the University of Manchester, on fracking. Shale gas and ‘fracking’ have caused huge controversy. Will shale provide abundant, cheap energy for the UK? Or is it just a disaster waiting to happen?

Science group talks take place at Wilmslow Library, £2 per person. Non-members may attend one talk but thereafter need to join, the annual subscription is £12. Email gb.u3a@talktalk.net or call 01625 402946. for details.