The second oil spill was on April 22, 2010 at the same site.
The oil spill is not the last crisis America will face.
What the oil spill and the financial crisis have in common.
For the scientists, the work on the oil spill is just starting.
In Alaska, a big oil spill was out of control.
Have you ever worked on an oil spill or environmental disaster before?
The oil spill had an impact on several aspects of the area's economy.
It is expected to be a much better harvest than in 2010 after the oil spill.
The oil spill was not publicly reported until 31 days later on July 5, 2011.
Changes and regulatory policies became the order of the day for the government following the oil spill.