by Laure FILLON Agence France-Presse MARSEILLE, France (AFP) – The world’s top conservation forum will vote this week on whether to recommend a moratorium on deep sea mining, with scientists warning that ecosystems degraded while dredging the ocean floor 5,000 metres below the waves could take decades or longer to heal. The proposed ban is among a score of measures deemed too controversial to be decided remotely ahead of the International Union for the Conservation […]