Professor Sharon Turner, of Queens' University, Belfast, will give a lecture entitled Northern Ireland - an environment on the edge, on Thursday, 17 May, in the Buckingham House Lecture Theatre, New Hall, at 5.15 p.m. Admission is free and all are welcome. To book, please e-mail directorate@unep-wcmc.org. For details of future lectures, see the College website at http://www.newhall.cam.ac.uk/events/.