Wilderness almost non-existent

San Francisco - Humans have domesticated the planet to such a degree that few untouched spots remain, researchers report in a review article published in the journal Science. Earth is so tamed that conservationism should shift focus from protecting nature from humans to better understanding and managing a domesticated world, the authors said."There is no such thing as nature untainted by people," writes Peter Kareiva, chief scientist at the Nature Conservancy, a US-based non-profit group.
"Facing this reality should change the scientific focus of environmental science.''As of 1995, only 17% of the world's land area remained truly wild-with no human populations, crops, road access or night-time light detectable by satellite, the authors reported.Half of the world's surface area is used for crops or grazing; more than half of all forests have been lost to land conversion; the largest land mammals on several continents have been eliminated; shipping lanes crisscross the oceans, according to the paper.
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As in the days of Noah...