SCIENCE
First seabed mines may be step closer to reality
Are the first mines on the ocean floor coming a step closer to reality?

The tiny Pacific nation of Nauru has created shockwaves by demanding that the rules for deep sea mining are agreed in the next two years.

Environmental groups warn that this will lead to a destructive rush on the mineral-rich seabed "nodules" that are sought by the mining companies.

But United Nations officials overseeing deep sea mining say no venture underwater can start for years.

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