Humans to blame for 'biological annihilation' of wildlife and sixth mass extinction in Earth's history
A study published in the peer-reviewed journal Proceedings of the National Academy of Sciences, has concluded that 30% of the 27,600 terrestrial vertebrate species evaluated are losing populations. According to Gerardo Ceballos, study co-author and Ecology professor at the National Autonomous University of Mexico, if this trend continues, at the end of the century 70% of these species would be lost.