Environmental activists calling for an international moratorium on deep-sea mining. Pallava Bagla | Corbis News | Getty ImagesCarvalho's election victory comes at a time of intense debate about the future of deep-sea mining and the world's oceans. Scientists have warned that the full environmental impacts of deep-sea mining are hard to predict. I would be very much concerned to have a mining exploitation request sat on my table without a mining code. "I would be very much concerned to have a mining exploitation request sat on my table without a mining code," Carvalho said.

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Persons: Leticia Carvalho, Carvalho, Michael Lodge, Gerard Barron, Carolyn Cole Organizations: Getty, International, Authority, CNBC, ISA, Corbis, ISA Council, The Metals Company, Los Angeles Times, Istock Locations: Leticia Carvalho Brazilian, Jamaica, Nauru