Antarctica, often regarded as the planet’s last true wilderness, harbors unique ecosystems that support extraordinary biodiversity and contribute to global diversity and environmental stability. These ecosystems, which occupy permanently ice-free land covering less than 0.5% of the continent, are now under growing threat from human activity and climate change. Antarctica, often regarded as the planet’s last true wilderness, harbors unique ecosystems that support extraordinary biodiversity and contribute to global diversity and environmental stability. These ecosystems, which occupy permanently ice-free land covering less than 0.5% of the continent, are now under growing threat from human activity and climate change. Ecology Phys.org – latest science and technology news stories