Species in Numbers
While human population has doubled since 1970, the number of birds, mammals, reptiles and amphibians have dropped by more than half. Insect abundance has fallen by 75% over the last 27 years.
While human population has doubled since 1970, the number of birds, mammals, reptiles and amphibians have dropped by more than half. Insect abundance has fallen by 75% over the last 27 years.