Toxic man-made mercury pollution has been discovered in the deepest part of the ocean, in the Marianas Trench — more than six miles below the surface. Now this dangerous pollutant has been discovered in the Marianas Trench and the Yap Trench — beyond New Zealand — at 6.84 and 5.3 miles deep, respectively. The landers, he added, 'captured the endemic fauna at 7,000–11,000 metres [4.3–6.8 miles deep] and collected sediments at 5,500–9,200 metres [3.4–5.7 miles deep].' Chinese researchers have detected mercury pollution in the Marianas Trench and the Yap Trench — beyond New Zealand — at 6.84 and 5.3 miles deep, respectively. Last weekend Kelly Walsh — son of ocean explorer Don Walsh — descended to the bottom of the Marianas Trench.

Source: Daily Mail June 22, 2020 22:02 UTC