The loss of wildlife has a huge impact on the economy of the Gulf Coast region. The fishing industry, in particular, has taken a devastating hit as a result of the BP oil spill, and is represented at No. 6 on the list of potential new BP logos.
The FTSE 100 gains more than 1% as oil shares rise.
Leading European oil groups gained more than 5% on Thursday after OPEC's surprise output cut plan. But analysts are unsure the agreement amounts to much.
Energy stocks rise even as oil prices give up initial gains.
The oil cartel will reduce energy output at its next meeting in November, according to reports.