The world has a wide range of different energy sources. In 2018, fossil fuels, such as oil, gas and coal, accounted for more than 81 percent of energy consumed. Renewables, such as solar power, wind, biomass and hydroelectricity, account for 14 percent. Nuclear energy accounts for another 5 percent. Different countries have different combinations of energy sources, balancing environmental and economic requirements.
Energy is found in nature in a number of forms: sunlight, wind, waves, oceans, and more. These sources of energy transform into more efficient energy forms, such as electricity or heat when they are harnessed. Once these energies are exhausted, they become nonrenewable energy sources.
A lot of fossil fuels and a few of the other sources of energy that aren’t renewable are damaging the environment. Oil mining, for instance is a destructive process that can destroy the forests that are virgin to the earth. Fracking (hydraulic fracturing) can cause earthquakes and water pollution. Carbon dioxide is released when coal is burned which contributes to global warming.
Fortunately, the majority of the most promising sources of energy are sustainable and renewable. Wind, solar and hydropower, for instance, can produce electricity without having to search wikipedia reference for new sources.
Tidal and Wave Power are also sustainable energy sources that are emerging. But, in order to be utilized on a large scale these technologies need efficient distribution networks. These need to be built and operate with the use of non-renewable energy sources. These sources aren’t sufficient to provide the majority of our energy requirements. It’s vital to remember that the cost of renewable energy equipment has dropped dramatically in recent years and the efficiency of these equipments is growing.