i PETROLEUM OPERATIONS, POLLUTION AND ENVIRONMENTAL RIGHTS QUESTION IN THE OIL-BEARING STATES OF NIGERIA SUNDAY BONTUR LUGARD LL.B, LL.M (Jos), BL (Abuja) UJ/2012/PGLW/0148 A thesis in the Department of INTERNATIONAL LAW AND JURISPRUDENCE, Faculty of Law, Submitted to the School of Postgraduate Studies, University of Jos, in partial fulfillment of the requirements for the award of the degree of DOCTOR OF PHILOSOPHY in LAW of the UNIVERSITY OF JOS NOVEMBER 2018