The decline in production from mature oilfields in the North Sea and Alaska also means that replacement supplies will have to be hauled longer distances by sea to the refineries of Europe and North America.

ECONOMIST: Shipping in the downturn

Legacy of an Oil Spill: Ten Years After the Exxon Valdez is sponsored by the Exxon Valdez Oil Spill Trustee Council and the Alaska Sea Grant College Program.

CNN: Conference to assess Exxon Valdez oil spill