The Nagoya Protocol sets new 2020 targets to expand protected areas on land and at sea in the hopes of halting the loss of animals and plant species across the planet.
Japanese Environment Minister Ryu Matsumoto hailed the significance of the treaty.
Countries agreed to protect 17 percent of land and inland waters and 10 percent of coastal and marine areas within the next decade. Currently, only 13 percent of land and less than 1 percent of oceans are protected for conservation.
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