Sustainability is the ability to continue a defined behavior indefinitely. Environmental sustainability is the ability to maintain rates of renewable resource harvest, pollution creation, and non-renewable resource depletion that can be continued indefinitely. Economic sustainability is the ability to support a defined level of economic production indefinitely. Social sustainability is the ability of a social system, such as a country, to function at a defined level of social well being indefinitely. In this course we will teach you how to understand this concepts and how they affect constructions.