The world uses a variety of energy sources. Fossil fuels, including natural gas, oil and coal–accounted for over 81 % of the energy consumed in 2018. Renewable energy sources like wind power, solar energy biomass, hydroelectricity and biomass account for 14 percent. Nuclear energy accounts for another 5percent. Different countries utilize different energy sources to balance the needs of their economy and environmental concerns.

Nature’s energy can be found in a variety of forms like sun, wind waves, and ocean. These sources of energy are transformed into more convenient forms of energy, like electricity or heat, when they are harnessed. These energies become non-renewable sources of energy when they are exhausted.

The environment is damaged by many fossil fuels as well as some other energy sources that aren’t renewable. Oil mining, for example is a destructive process that can destroy the forests that are virgin to the earth. Fracking (hydraulic fracturing) can result in earthquakes and water pollution. Burning coal releases carbon dioxide, which contributes to global warming.

Fortunately that many of the most promising sources of energy are renewable and sustainable. Wind, solar and hydropower can create, for instance, electricity without digging for new sources.

Other renewable energy sources are emerging, such as tidal and wave power. To be used on an extensive scale, these technologies require efficient distribution networks. They must be constructed using a source of non-renewable energy sources. These sources aren’t able to satisfy the majority of our energy needs. It is important to keep in mind that the prices of renewable energy equipment has decreased dramatically in recent times and efficiency is growing.

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