It's the size of a typical tank. This will do as much harm to coral or whatever is down there as one (1) WW2 tank did to the Black Forest.
Meanwhile, dissolved CO₂ is killing coral on a global scale. That seems like a very misplaced concern.
Meanwhile, dissolved CO₂ is killing coral on a global scale. That seems like a very misplaced concern.
A forest can regrow and thrive after a few decades. The same is _not_ true for the deep sea[1].
'Life on the ocean floor moves at a glacial pace. Sediment accumulates at a rate of 1 millimeter every millennium. With such a slow rate of growth, areas disturbed by deep-sea mining would be unlikely to recover on a reasonable timescale.'
[1]: https://news.mit.edu/2019/understanding-impact-deep-sea-mini...
Edit: Linked to official channel. Thank you for the correction.