The deepest - ever dive , performed by American diver mark Vescovo , has led to the discovery of plastic waste on the seafloor . he dived 11 miles to the Pacific Ocean ’s Mariana Trench – the deepest trench in the world . During his 24 - hour exploration of the trench , Vescovo discovered a plastic bag and sweet wrappers .
The deepest-ever dive, performed by American explorer Victor Vescovo, has led to the discovery of plastic waste on the seafloor. Vescovo dived 11km to the Pacific Ocean’s Mariana Trench – the deepest spot in the ocean. During his four-hour exploration of the trench, Vescovo discovered a plastic bag and sweet wrappers.