A ship carrying submarines that will transport British scientists to the unexplored depths of the Indian Ocean is preparing to set sail from a German port, at the start of a three-year mission to unlock the secrets of one of the world's last great frontiers.
Future summers at the beach are going to be interesting.
Up to 12 million tonnes of plastic enters our oceans each year
Working aboard the Aquarius can be a 'grim job'.
A chunk bigger than Mexico has disappeared.