WWF Living Planet Report 2022

According to the World Wildlife Fund, in their Living Planet Report 2022, "Biodiversity indicators help us understand how our natural world is changing over time. Tracking the health of nature over almost 50 years, the Living Planet Index acts as an early warning indicator by tracking trends in the abundance of mammals, fish, reptiles, birds and amphibians around the world. In its most comprehensive finding to date, this edition shows an average 69% decline in the relative abundance of monitored wildlife populations around the world between 1970 and 2018. Latin America shows the greatest regional decline in average population abundance (94%), while freshwater species populations have seen the greatest overall global decline (83%).