Degradation is particularly serious in the one substantial part of the world that is governed internationally – the high seas. These waters are outside maritime states’ exclusive economic zones; they comprise two-thirds of the oceans’ area, covering fully 45% of the earth’s surface.
环境恶化在由国际治理的广袤公海上尤其严重。这些水域处于专属经济区海域之外；它们构成了海洋总面积的三分之二，覆盖了整整45%的地球表面。