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Surprising ‘dark oxygen’ discovery could ensnarl deep-sea mining | Explained
4 months, 3 weeks ago

Surprising ‘dark oxygen’ discovery could ensnarl deep-sea mining | Explained

The Hindu  

An unknown process is producing oxygen deep in the world’s oceans, where it is too dark for photosynthesis, scientists reported on July 22 in the journal Nature Geoscience. The oxygen discovery raises questions about how deep-sea mining to extract polymetallic nodules will affect marine ecosystems. Experts have found deep-sea mining itself could be harmful to the marine environment, ‘dark oxygen’ …

India Ocean Dark Mining Zone Study Oxygen
Inside India’s ‘Deep Ocean Mission’, a challenge harder than going to space
1 year, 1 month ago

Inside India’s ‘Deep Ocean Mission’, a challenge harder than going to space

The Hindu  

The Deep Ocean Mission is India’s ambitious quest to explore and harness the depths of the ocean. The submersible will be equipped with a suite of scientific sensors, tools and an integrated system for mining polymetallic nodules from the central Indian Ocean; Development of ocean climate change advisory services, involving an array of ocean observations and models to understand and …

India Space Ocean Indian Mining Mission Surface
Biodiversity: Deep-sea mining will be 25 times as bad as mining on land
1 year, 5 months ago

Biodiversity: Deep-sea mining will be 25 times as bad as mining on land

The Hindu  

Extracting minerals from the ocean floor could negatively impact biodiversity on a scale of up to 25 times greater than land-based mining, and fixing the damage would cost twice as much as extraction, a new report said on Thursday. Deep-sea mining would extract cobalt, copper, nickel, and manganese from potato-sized nodules which pepper the sea floor at depths of 4-6 …

Mining Sea
The looming threat of deep-sea mining
1 year, 9 months ago

The looming threat of deep-sea mining

BBC  

The looming threat of deep-sea mining The Metals Company Machinery to collect polymetallic nodules from the ocean floor has been deployed in tests, but not yet commercially in the international seabed A new international treaty aims to support protection of the high seas – what will this mean for deep-sea mining? Getty Images Deep-sea mining has been opposed by environmentalists, …

Environmental Ocean Mining Metals Wang Norway Isa