The energy has different meanings and definitions related to the idea of a capacity to act, transforming or moving. In physics, "energy" is defined as the ability to perform work. Technology and economics, "energy" refers to a natural resource (including associated technology) to extract, transform, and then give an economic or industrial use. http://www.e-grial.net/broker/FOTOS/INDUSTRIA/RIESGOS%20NUCLEARES.jpg image taken from google images for herber in my opinion this image represents the energy for the atomic bomb
http://www.ecologismo.com/wp-content/uploads/2008/06/renovables1_0.jpg image taken from google images by leon my opinion this image represents the renewable energy from the sun
It is called renewable energy to the energy obtained virtually inexhaustible natural sources, some of the vast amount of energy they contain, and others because they are able to regenerate by natural means. NonrenewableFossil fuels are nonrenewable resources, we can not replace what we spend. At some point, will end, and it may be a need for millions of years of evolution similar to tell them again. Are those whose reserves are limited and sell out with use. The major ones are nuclear energy and fossil fuels (oil, natural gas and coal).
this image taken from google images by francisco javier in my opinion this image represents what is sustainable because it has to do with natureConcept of development.The idea is relatively recent development, belongs to modern thought and consolidated following the Industrial Revolution. In sociological terms, its origin can be traced in the socialismoutópico, when it came to propose the possibility of the establishment of new social orders based on the "rationalism."