This principle of sustainable architecture refers to the proper utilization of renewable energies and resources, such as fossil fuels, in order to reduce the consumption of these resources and make better use of renewable energies and resources, or natural resources such as solar energy. Saving resources is the core of this principle.

The underlying second principle of sustainable architecture emphasizes the prevention of environmental pollution. According to this principle, materials can be transformed into other forms without damaging their usefulness. For example, materials and recyclables left over from one building can be the primary materials of another structure.

Human survival is guaranteed by the conservation of the ecosystem chains in which it lives. For this reason, the most important principle of sustainable architecture refers to the design of buildings to co-exist with humans. Renewable, urban design and human well-being.