The dolphins are preserved in giant freezers in marine labs across America. Tagged, catalogued, carefully guarded – and suspended in liquid nitrogen for the moment when they will determine BP’s final bill for the Gulf of Mexico oil disaster, which started two years ago this Friday.
The dolphins, among more than 700 that have washed up on Gulf shores since the last two years, are a crucial component of the investigation now underway to decide the cost to BP of restoring the wildlife and environment damaged by the biggest offshore spill in US history.
For more on this story, visit: Deepwater Horizon aftermath: how much is a dolphin worth? | Environment | guardian.co.uk.