Atlantic Ocean

Scientists behind the new research say an irreversible tipping point could now happen by the middle of this century.
Its collapse would trigger severe and potentially irreversible consequences around the world.
The project is intended to track the health of sharks, turtles and sea snakes that live in the high seas.
Home secretary Priti Patel's proposal for a processing centre in the south Atlantic Ocean has been likened to creating a "modern day penal colony".
Climate activist Greta Thunberg arrived in Manhattan on Wednesday after a two-week journey across the Atlantic Ocean in a zero-emissions yacht. She is in the United States to attend the U.N. Climate Action summit next month and hopes to attend the COP25 in Santiago, Chile, in December. Thunberg said she was going to focus on "spreading awareness" instead of trying to convince US President Donald Trump about climate change.
The first ever 4K quality images emerge from 13,000ft beneath the Atlantic Ocean's surface.