Environmental Science. The quality of not being harmful to the environment or depleting natural resources, and thereby supporting long-term ecological balance:
In ecology, sustainability (from sustain and ability) is the property of biological systems to remain diverse and productive indefinetely. 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 developement, which includes the four interconnected domains: ecology, economics, politics and culture.
Sustainability can also be defined as a socio-ecological process characterized by the pursuit of a common ideal. An ideal is by definition unattainable in a given time/space but endlessly approachable and it is this endless pursuit that forms a sustainable system in the process. Healthy ecosystems and environments are necessary to the survival of humans and other organisms.
A term used to describe technologically, materially, ecologically, and environmentally stable building design. Sustainable architecture can be measured by its durability, maintenance level, and recyclability, as well as economic issues related to its construction, profitability, and building stock value. Resource sustainability can be measured by site conditions; cost-effectiveness of the operational and life cycle of the building; accessibility and favorable natural forces; and the creation of healthy, habitable and safe environments with social capacity.
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