PLAQUEMINES PARISH, U.S. — Down past New Orleans lies Plaquemines parish, a narrow sliver of land at the tip of Louisiana that reaches southward like a finger pointing into the Gulf of Mexico. Past barbecue joints, a naval base, Baptist churches, white egrets, blue herons, and signs advertising items FOR SALE (live shrimp, empty lots … Continue reading 15 years after the BP oil spill disaster, how is the Gulf of Mexico faring?