Energy Evolution; to Save Our Environment for Future Generations Scientists, Government and Industries Are Working to Cut Our Energy Use and Develop Cleaner, Safer and Renewable Energy Sources

Article excerpt

IN RECENT years, there has been growing concern about the impact of the amount of energy we use on the environment. Scientists, governments and industries globally are working to develop ways to reduce the impact. This is being done by encouraging people to use less energy, changing the ways in which energy is generated (for example, by using renewable energy sources), developing new technologies for cleaner and safer use and making laws so resources are used and managed better.

To meet and maintain our daily needs, without compromising the energy needs of future generations, we need to learn how to put out energy more efficiently. It is important not to waste energy as some of the sources which we generate our energy from won't be available forever.

Non-renewable sources such as coal, oil and natural gas are fossil fuels which are full of stored energy. To convert the energy they must be burned. Once burnt they cannot be used again. At present non-renewable sources provide about 80% of the world's energy needs. However, in doing so, they produce gas emissions and create high levels of pollution that affect the environment.

Renewable energy such as wind, solar, hydro, bio and geothermal come from supplies that should never run out. Harnessing them does little or no damage to the environment.

Two types of energy

Everything we do involves some form of energy. In our highly developed society we use a lot of energy. It does things for us and is defined by scientists as athe ability to do worka. …


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