"Energy touches our lives in countless ways and its costs are felt when we fill up at the gas pump, pay our home heating bills, and keep businesses both large and small running. There are long-term costs as well: to the environment, as natural resources are depleted and pollution contributes to...

"With growing concerns about the security, cost, and ecological consequences of energy use, people around the world are becoming more conscious of the systems that meet their daily needs for food, heat, cooling, light, transportation, communication, waste disposal, medicine, and goods. Powering...