Photo source: ©© NOAA
For most Americans, the Deepwater Horizon oil spill ended a few months after it began. Oil giant BP finally capped the mile-deep Macondo oil well on July 15, 2010, and the U.S. government declared its summer-long scourge “effectively dead” by mid-September.
But across the northern Gulf of Mexico, which absorbed 200 million gallons of crude oil in 2010, the disaster still isn’t over. This Earth Day marks its third anniversary, highlighting a gradual shift from in-your-face emergency to subtle, behind-the-scenes villain…