The Principle of Conservation of Energy states that energy can be changed from one form to another but the total amount of energy does not change. Energy is measured in joules (J) and 1 J is ...

A natural resource is defined as a form of energy and/or matter which is essential for the functioning of organisms, populations and ecosystems. In the case of humans, a natural resource, in his words ...

A new study demonstrates that an energy system based completely on renewable forms of energy will be economically viable in the future. Within ten years, solar and wind power will be the cheapest ...

What powers life? In most ecosystems, sunlight is absorbed and converted into usable forms of energy via photosynthesis. These usable forms of energy are carbon-based. A primary example of this ...

The emergence of renewable energy like wind and solar as a viable alternative to oil, gas and other fossil fuels has raised critical questions about which form of power offers the best value today — a ...

Potential energy is the latent energy in an object at rest, and is one of two forms of energy. The other form, kinetic energy, is the energy expressed by an object in motion. Potential energy is a ...

Investors may be turning their interests towards more traditional forms of energy production, such as coal, as uranium stocks stumble on events in Japan. Matthew Zylstra, analyst with Northern ...