Whois & Analysis for nsf.org

NSF International is a product testing, inspection and certification organization based in Ann Arbor, Michigan.

In ecology, sustainability (from sustain and ability) is the property of biological systems to remain diverse and productive .

Long-lived and healthy wetlands and forests are examples of sustainable biological systems.

In more general terms, sustainability is the endurance of systems and processes.

The organizing principle for sustainability is sustainable development, which includes the four interconnected domains: ecology, economics, politics and culture.

Sustainability science is the study of sustainable development and environmental science.

Food is any substance consumed to provide nutritional support for the body.

It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals.

The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth.

Health is the level of functional and metabolic efficiency of a living organism.

In humans it is the ability of individuals or communities to adapt and self-manage when facing physical, mental or social changes.

The World Health Organization (WHO) defined health in its broader sense in its 1948 constitution as "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity." This definition has been subject to controversy, in particular as lacking operational value, the ambiguity in developing cohesive health strategies, and because of the problem created by use of the word "complete".

Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.