Conservation

See: gene (resources) conservation, conserved sequence

To reduce or avoid the consumption of a resource or commodity.

Efficiency of energy use, production, transmission, or distribution that results in a decrease of energy consumption while providing the same level of service.

The repair or stabilization of materials through chemical or physical treatment to ensure that they survive in their original form as long as possible The profession devoted to the preservation of cultural property for the future through examination, documentation, treatment, and preventive care, supported by research and education