Monday July 17, 2023

Radio Free Asia

A deep-sea mining test that lasted only two hours might have decreased fish and shrimp populations in the surrounding vicinity significantly even after a year, research in Japan showed.

Deep-sea mining is the extraction of valuable minerals from the ocean below 200 meters (650 feet), potentially impacting fragile ecosystems. 

Lately, it has become a contentious issue, as several countries and companies have joined the global race to mine resources including cobalt, copper, and manganese amid increasing demand for renewable energy and consumer electronics.

The research was based on an investigation into the environmental impact of Japan’s first successful test in 2020 to extract cobalt crusts from the top of Takuyo-Daigo deep-sea mountains, in the northwest Pacific Ocean, to mine cobalt, a vital mineral in electric vehicle batteries.

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