What is Energy Resources?

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Energy is a fundamental part to our daily lives, and everyday we use energy or power in some form or another. The law of conservation of energy states that energy can neither be created or destroyed. What this means is that as energy is used, it does not disappear, but rather, is converted into another form of energy. For example, turbines use energy from steam that is converted into electrical energy. Thus, energy is all about performing work. Animals and humans require energy resources in order to function, and machines do not function any differently, they require energy resources to work as well.

There are many different energy resources on our planet, but they are all classified into two primary groups – renewable energy resources, and non renewable energy resources.2004_Worldwide_Energy_Sources_graph


Renewable energy resources is  which can be obtained from natural resources that can be constantly replenished or Renewable energy is energy that is generated from natural processes that are continuously replenished. This energy cannot be exhausted and is constantly renewed.

Renewable energy technologies range from solar power, wind power, hydroelectricity/micro hydro, biomass and biofuels for transportation.

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When can energy be called ‘Renewable’?

1.When its source cannot run out (like the sun) or can easily be replaced (like wood, as we can plant trees to use for energy)
2.When their sources are carbon neutral. This means they do not produce Carbon compounds (such as other greenhouse gases).
3.When they do not pollute the environment (air, land or water)

Renewable energy includes Biomass, Wind, Hydro-power, Geothermal andSolar sources. Renewable energy can be converted to electricity, which is stored and transported to our homes for use.


Non-renewable energy comes from sources that will run out or will not be replenished in our lifetimes—or even in many, many lifetimes.
 Non-renewable resources are resources for which there is a limited supply. The supply comes from the Earth itself and, as it typically takes millions of years to develop, is finite.Non-renewable energy resources include fossil fuels and nuclear power etc.
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