Answer
The BP Deepwater Horizon oil spill, occurring in 2010, stands as a prominent event navigated by Carol Browner during her tenure as White House advisor on energy and climate change. This catastrophic incident unfolded in the Gulf of Mexico, resulting from an explosion and subsequent oil leakage from a BP-operated deepwater drilling rig. Browner played a pivotal role in coordinating the federal government's response to this environmental crisis.