National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling Federal government officials and representatives of BP on the status of the spill and clean-up efforts, as well as from local officials, community leaders, and scientists on the economic, cultural, and ecological impacts of the oil spill on Gulf Coast communities and ecosystems. On October 6, 2010 the commission released preliminary reports criticizing the Obama administration for mismanagement of its response to the "Deepwater Horizon" oil spill. Amongst other things cited were, not being fully candid with the American people, and giving the impression of not being fully competent. On January 11, 2011, the commission released its final report, with
Environmental impact of the Deepwater Horizon oil spill that the damage from the spill would rapidly resolve, three years into the recovery dolphins continue to die, fish are showing strange lesions, corals in the gulf have died and oil still remains in some marsh areas. Due to both its size and the way it was handled, there is little previous research to predict long-term effects. At the 2013 "Gulf of Mexico Oil Spill and Ecosystem Science Conference", oceanographer David Hollander presented data that showed as much as one-third of the oil released during the spill may still be in the gulf. Researchers described a phenomenon called "dirty blizzard":