The Cost of Energy
Energy use can carry a hefty price tag—and not just in money. The cost to our environment, to national security, and to the prospect of future sustainability is sometimes hard to calculate in dollar terms, but nonetheless very real in practical terms. What factors should we consider as we make decisions about energy options for the future?
Understanding EfficiencyLearn the significance of energy efficiency
The Promise of Better LightingEnergy savings through lighting technology
Our Energy SystemA visualization of all our energy sources
- Deep Saline Aquifer
A geologic feature consisting of permeable rocks, in which the pores in the rocks are filled with water that has a high dissolved salt content.
Search the National Academies Press website by selecting one of these related terms.
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