Just 23% of the world's landmass can now be considered wilderness, with the rest, excluding Antarctica, lost to the direct effects of human activities, finds the first comprehensive fine-scale map of the world's remaining marine and terrestrial wild places in the journal Nature.

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Just 23% of the world's landmass can now be considered wilderness, with the rest, excluding Antarctica, lost to the direct effects of human activities, finds the first comprehensive fine-scale map of the world's remaining marine and terrestrial wild places in the journal Nature.