A year on from BP oil disaster scientists say Gulf of Mexico is almost back to pre-spill health levels...so why are a huge number of dolphins and turtles still washing up dead? | Mail Online

A year on from BP oil disaster scientists say Gulf of Mexico is almost back to pre-spill health levels...so why are a huge number of dolphins and turtles still washing up dead? | Mail Online: "One year on from the BP oil spill and some scientists are declaring the overall 'health' of the Gulf of Mexico as back to normal.

More than three dozen scientists now grade the Gulf's health a 68 on average, using a 1-to-100 scale. This is just below the 71 grade the same researchers last summer said they would give the ecosystem before the spill.

However the scientists are also warning that just because the surface of the water looks clear, beneath is still a mess"