Cost-effective priorities for the expansion of global terrestrial protected areas: Setting post-2020 global and national targets.

The article focuses on a spatial meta-analysis by overlaying seven global biodiversity templates to identify conservation priority zones. It mentions that biodiversity loss is a social and ecological emergency, and calls have been made for the global expansion of protected areas (PAs). It also mentions that cost-effective zones (CEZs) cover around 38 percent of global terrestrial area.