Members of a federal cleanup crew were initially trapped and unable to warn downstream communities that they had accidentally unleashed toxic waste water from a Colorado gold mine.
Almost five years after the Deepwater Horizon oil spill, the Obama administration has proposed new regulations aimed at strengthening oversight of offshore oil drilling equipment and ensuring that out-of-control wells can be sealed in an emergency.
Interior Secretary Ken Salazar, who oversaw a moratorium on offshore drilling after the BP oil spill and promoted alternative energy sources throughout the nation, will step down in March.
The 2012 presidential campaign between President Obama and Mitt Romney will be book-ended by hurricanes.
Secretary of the Interior Ken Salazar is noncommittal about serving a second term for President Barack Obama.