AP Environmental Science

Answer: B - When nations around the world say they are working to reduce “HIPPO” threats, they are referring to biodiversity.

Key Takeaway: HIPPO is an acronym that stands for: Habitat destruction, Invasive species, Pollution, Human over population, and Overharvesting. These are the main factors in the threat to the Earth’s biodiversity. Organizations like the World Wildlife Fund and the Nature Conservancy routinely work independently of and with governments to reduce HIPPO threats.