In 200 years, cows could become the largest mammals on land, thanks to the devastating effects of human-caused extinctions. The loss of mammal biodiversity has been a long-term trend continuing for the past 125,000 years at least, and a study by The University of New Mexico in the US shows that this was the fault of human activity. HOW DID HUMANS CAUSE EXTINCTIONS OF LARGE MAMMALS? Since the time humans […]