Oil from BP’s damaged Gulf of Mexico well is clearing from the sea surface faster than expected, scientists say, 100 days after the disaster began.
Jane Lubchenco, head of the National Oceanic and Atmospheric Administration, said much oil had been “biodegraded by naturally occurring bacteria”.
But concerns remain about the spill’s unseen effects.
The comments came after BP replaced its embattled CEO Tony Hayward with an American, Robert Dudley.
Mr Dudley described the oil spill as a terrible tragedy from which the company and the industry would learn a lot.
On Tuesday, BP reported a record $17bn (