97 Percent of Earth's Land Has Been Altered by Man – Veterans Today | Military Foreign Affairs Policy Journal for Clandestine Services
A study published on April 15 in the journal Frontiers in Forests and Global Change presents evidence that only about three percent of Earth’s land ecosystems remain untouched by human activity. The analysis focuses on large swaths of land, about 3,860 square miles each, to account for the amount of habitat required by wide-ranging species. The study takes into account three measures of ecological integrity: habitat intactness, which is how human activity has affected the land; faunal intactness, which looks at species loss; and functional intactness, which focuses on species loss among a...
Source: veteranstoday.com