Mealey's (March 8, 2016, 12:07 PM EST) -- LAKE CHARLES, La. — An insurer has no duty to defend its insured against claims arising out of environmental contamination and related to the oil and gas exploration of several parties because the insurer’s policies clearly exclude all claims related to pollution, a Louisiana federal judge said March 3 (Ruby Mae Simon Constance, et al. v. Austral Oil Exploration Co. Inc., et al., No. 12-1252, cons. w/12-1253, W.D. La.; 2016 U.S. Dist. LEXIS 27881)....