Energy supplies can be extended by the conservation, or planned management, of currently available resources. There are three types of energy conservation practices. The first is curtailment; doing without. For instance, cutting back on travel to reduce the amount of gasoline burned. The second is overhaul; changing the way people live and the way goods and services are produced. For example, slowing further urbanization of society by using less energy-intensive materials in production processes and …showed first 75 words of 630 total…

…showed last 75 words of 630 total…using computers to monitor and regulate the use of electricity, and investing in more efficient lighting and improved heating and cooling systems. The retrofitting of old buildings, in which new components and equipment are used in existing structures, has been successful. Energy supply is the combined resources by which the nations of the world attempt to meet their energy needs. Energy is the basis of industrial civilization; without energy, modern life would cease to exist.