As fireboats attempted to put the fire out ... removed from the Gulf of Mexico, with an estimated "100 million gallons of oil and dispersants" believed to still be in the ocean today.

At present, ecosystems in the Gulf ... fire that sank the rig and claimed 11 lives. Since then, substantial quantities of oil and gas have leaked from the damaged wellhead into the deep ocean.

The Atlantic is the second largest ocean on the planet. It is the resting place of the Titanic, home to the mysterious Bermuda Triangle and is the youngest of the Earth's great oceans. It reaches ...