1. Capable of being utilized without being completely used up or destroyed: For his project at school, Clifford was interested in learning more about sustainable energy resources and sustainable water supplies.
2. Worthy of involving methods that do not completely use up or destroy natural resources: Some farmers employ sustainable agriculture techniques that they can apply and employ for a very long time.
3. Able to last or to continue for a long time: Jack said, "We must have sustainable development and growth in the financial markets."
4. Describing an activity that makes use of the earth's living and physical resources: Such necessary practices include sustainable human actions and their technologies, cultures, and institutions in a way that does not diminish their ability to support future generations.

The consumption of energy should be applied in a manner that emphasizes renewable sources and the judicious use of non-renewable sources.

A method of agriculture that attempts to ensure the profitability of farms while preserving the environment.

The daily amount of oil that an individual oilfield or a group of fields can produce at a rate that can be sustained for more than 90 days.

1. Economic development maintained within acceptable levels of global resource depletion and environmental pollution.
2. A description of efforts to guide economic growth; especially, in less-developed countries, in an environmentally sound manner, with an emphasis on natural resource conservation.

A collective term for efforts to develop technological, economic, political, and social systems, so as to provide the good, services, and amenities that people need or value, at an acceptable cost, while at the same time maintaining the natural environment so that a comparable quality of life will be available to future generations.

Energy that is produced and used in ways that will support long-term human development in all its social, economic, and environmental dimensions.