We know so little of the hidden world beneath the seas. This is a perfect example of why it is so risky to just power ahead and start mining our oceans.

#environment #ocean

bbc.com/news/articles/c728ven2…

Dark oxygen made by deep sea 'batteries'

The discovery that lumps of metal on the seafloor produce oxygen raises questions over plans to mine the deep ocean.

^{Victoria Gill (BBC News)}