The public's focus eventually turned away from the 2010 disaster. Scientists, however, are still learning the scale of the devastation.
Apparently some people communed with spirits to locate the first underground oil reserves.
Americans started pouring into Saudi Arabia in the 1940s to develop the oil fields. They brought their ideas about segregation with them.
Two pieces look at a 1969 oil spill in California
It's not just falling oil prices but any price volatility that makes conservation a harder sell.