The Lauterpacht Centre for International Law (LCIL), University of Cambridge hosts a regular Friday lunchtime lecture series on key areas of International Law. Previous subjects have included UN peacekeeping operations, the advisory jurisdiction of the International Court of Justice, the crime of aggression, whaling, children and military tribunals, and theories and practices for proving individual responsibility criminal responsibility for genocide and crimes against humanity. This lecture entitled 'Science and international environmental law: a meeting of minds, or two disciplines worlds apart?' was delivered on Friday 21 November 2014 by Jolyon Thomson, Deputy Director, Defra Legal Advisers, London. For more information about the series, please see the LCIL website at www.lcil.cam.ac.uk