Although started to illuminate the events surrounding the BP Gulf oil spill disaster that commenced April 20 2010, this "map" has turned into an example of news cartography, a term we use to describe a mechanism for capturing the contextual, fluid development of large-scale stories.
Please try the Views menu to find the View (graph presentation) most suitable for you: Use Outline View for fast navigation lap/desktop, Page View for mobile.
This project went live June 6, 2010 but has been updated only sporadically since August 1, 2010.
Note that the map connects to the 2016 "Pollution" map via the "Ocean Oil Spills" cross-link.
5 years on (CNN)
Last significant map update: May 25 2013. Tweets added April 2015.
Video of the spill May 7 2010:
"At nine miles out we began to smell the oil."
-- The New York Times -- Jul 15 2010.
This version February 6 2016