This is very dispiriting news, on the 25th anniversary of the Exxon Valdez spill: Collision and oil spill closes Houston ship channel.
NPR's Morning Edition is presenting in-depth stories on the Exxon Valdez disaster every day this week, so we can better understand the immediate impacts on the natural environment and human communities of Prince William Sound, as well as the enduring legacy of oil in sediment and long-lived species (like us!). Good listening, thoughtful interviews, rigorous research into all facets of this tragedy. Remembering the Exxon Valdez Oil Spill series.
Relevant books (print and electronic), government documents, conference proceedings, and Web-based resources abound, for further reading. Try this keyword search in OBIS: "exxon valdez" or search the subject heading oil spills--cleanup.