Today's economy is based on an abundant supply of low-cost energy .
Smaller amounts come from uranium and hydroelectric power.
Aware of our dependence on energy, we use geological knowledge to search for new sources of these traditional fuels, and at the same time, we seek to develop new sources of energy. In all of these efforts, we must remain aware of the earth's limitations, and try to maintain a delicate balance between our need for energy and our desire to protect the environment.