Reversing biodiversity loss by 2020 is the objective of the 193 countries that are party to the global Convention on Biological Diversity (CBD). In this context, the Aichi Biodiversity Targets 2020 were agreed upon by the CBD in Nagoya, Japan in 2010.
Hunting is a major driver of biodiversity loss... As the human population grows and increasingly encroaches on remaining wildlife habitat, hunting threatens many species... Bird and mammal populations were considerably lower in areas where hunting occurred.