Burning oil on the surface of the Gulf of Mexico, 17 June 2010. James Duncan Davidson via flickr

James Duncan Davidson, TED’s conference photographer, is among a crew of five photographers and videographers reporting on the Gulf of Mexico for the TEDxOilSpill Expedition. His photos, taken aboard a plane above the Deepwater Horizon accident site, reveal the staggering extent of the oil slick.

Aerial photos of the oil slick