Joel K. Bourne Jr.

of National Geographic

The aptly named Arctic Challenger—Shell’s* trouble-plagued oil spill recovery barge—has once again demonstrated how challenging drilling for oil in the Arctic can be in a post-Deepwater-Horizon world. (Related: “Is Another Deepwater Horizon Disaster Inevitable?“) The barge, which underwent a multi-million-dollar facelift in a Bellingham, Washington, shipyard, was retrofitted to serve as the flagship of Shell’s…