Wilderness the size of Mexico lost worldwide in just 13 years, study finds

As per a study published in 'One Earth', human activities have converted an area the size of Mexico from virtually intact natural landscapes to heavily modified ones in just 13 years. The loss of 1.9m square kilometres of intact ecosystems would've "profound implications" for Earth's biodiversity, study's authors said. Almost 20% of the earth's surface had deteriorated, the study found.