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Poems and Thoughts    by Frank Maurer

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Deep Sea Mining of Polymetallic Nodules.

The new potential of deep sea mining
For ever-more-needed metals is looming large.
The seabed in places is littered with polymetallic nodules,
Containing nickel, cobalt, manganese, and copper.
Mining firms claim the deep seabed could provide
A major new source for these minerals.
The nodules could be retrieved with an uncrewed collector--bus size,
By crawling along the seabed, hoovering up nodules,
Which are sent up in a miles-long tube to a waiting ship.
Are there environmental impacts with this method?
Supporters say it will cause less disturbance than terrestrial mining.
However, many marine scientists and policy makers disagree--
Sea sponges and anemones grow on the nodules;
Sediment plumes from the mining may harm creatures used to clear water;
Noise pollution could interfere with animal communication and navigation;
Yet unknown species may be eliminated before identification.
Hundreds of researchers have called for a pause because of a knowledge gap.
Some companies like auto makers and tech firms
Have pledged not to use seabed minerals.
One mining company is developing robots that would hover above the seabed,
With mechanical arms to pluck only uncolonized nodules,
Thus eliminating sediment plumes, reduce noise pollution, leaving the seabed intact
Such a robot needs further deepsea testing for validation.
International regulations are in a turmoil, with several mining firms ready to begin!
Once again desperation for resources, accompanied with capitalism,
May result in yet one more environmental habitat to be in great danger.

Frank Maurer 28 August 2025 1505 Hours.


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