The term environment is often used as a short form for the biophysical environment, which refers to the biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. All life that has survived must have adapted to conditions of its environment. On one hand, part of the study of environmental science is the investigation of the effect of human activity on the environment. On the other hand, scholars also examine threats posed by environmental events and trends to individuals, communities, or nations, otherwise known as environmental security. It studies the impact of human conflict and international relations on the environment, or on how environmental problems cross state borders. Environmental security is a significant concept in two fields: international relations and international development. Within international development, projects may aim to improve aspects of environmental security such as food security or water security, along with connected aspects such as energy security. The importance of environmental security lies in the fact that it affects humankind and its institutions anywhere and at anytime. To the extent that humankind neglects to maintain the planet’s life-supporting eco-systems generating water, food, medicine, and clean air, current and future generations will be confronted with increasingly severe instances of environmentally induced changes.