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.
A brown pelican, coated in oil, wallows in the surf on June 4, 2010, on East Grand Terre Island, La. The destruction of the Deepwater Horizon oil rig created a 206 million gallon oil spill.