A significant majority of nations agreed on language for a UN treaty to protect ocean life, which is under growing threat from climate change, overfishing and seabed mining. The ＿＿（31）＿＿ deal came after tense talks and two decades of planning. Right now, the "high seas," which span almost half the planet, are a mostly ungoverned wilderness. If ＿＿（32）＿＿ , the treaty would be able to designate protected areas, where fishing and other activities that harm marine life are ＿＿（33）＿＿ or prohibited. It would create an international framework with a primary ＿＿（34）＿＿ on protecting ocean species or ecosystems. Many experts and groups celebrated the treaty as a major ＿＿（35）＿＿ for biodiversity. The high seas have "probably the largest reserve of undiscovered biodiversity left on Earth," said the director of the international oceans program.