Have we really killed off half of the animals on earth in the last 40 years?
It seems that it’s pretty much the case. Research by scientists at WWF and the Zoological Society of London concluded that we destroyed half of the vertebrate animal population on Earth between 1970 and 2010. The Living Planet Index (LPI), which measures more than 10,000 representative populations of mammals, birds, reptiles, amphibians and fish, has…