( March 25, 2024, 12:51 PM EDT) -- XE "Environmental Contamination" SAN FRANCISCO — A district court erred in placing the burden on an insurer to prove that a pollution exclusion barred coverage for underlying environmental contamination lawsuits because the burden should have been placed on the insureds to prove that the exclusion did not apply as a bar to coverage, an insurer argues in its March 22 appellant brief filed in the Ninth Circuit U.S. Court of Appeals....