Endangerment refers to the condition or state of being at risk of extinction, loss, harm or danger. It can also refer to actions that put a species or ecosystem in jeopardy of disappearing entirely. Endangered is often used as an adjective to describe animals and plants whose survival is threatened due to various factors such as habitat destruction, over-hunting, pollution, climate change, introduction of invasive species, etc. The term endangerment can also be applied to human activities that pose a threat to the environment or other living organisms.