The fact or process of a species, family, or other group of animals or plants no longer existing

The natural home or environment of an animal, plant, or other organism

The practice of preserving the natural world to prevent it from collapsing as a result of human activities, such as unsustainable agriculture, deforestation and burning fossil fuels.

The study of organisms and how they interact with the environment around them.

A species seriously at risk of extinction. (adj)

The illegal trafficking and killing of wildlife

The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.