Ogburn, William - (1886â1959) A sociologist who coined the popular term culture lag, which refers to the tendency of changes in nonmaterial culture to happen more slowly than those in material culture.
BP oil spill: The environmental impact one year on. In April 2010, the Deepwater Horizon explosion in the Gulf of Mexico killed 11 people and resulted in 4.9m barrels of oil being discharged, threatening marine life and hundreds of miles of coastline.
The BP oil spill killed all trees and the island eroded. April 20 marks the five-year anniversary of the BP oil spill, and people around the country are reflecting on the state of the Gulf â how ecosystems and communities have recovered from the spill and how far they have yet to go.