The world relies on a variety of different energy sources. Fossil fuels — including natural gas, oil and coal–accounted for over 81 percent of all energy consumed in the year 2018. Renewable energy sources, such as solar power, wind power hydroelectricity and biomass, account for 14 percent. Nuclear energy accounts for another five percent. Different https://leonardogiombini.it/2019/02/14/interessante-articolo-sui-biocarburanti countries use various energy sources, and are able to balance environmental and economic requirements.
Nature’s energy can be found in a variety of forms: sun, wind, waves, and ocean. These primary sources transform into more efficient energy forms, such as electricity or heat when they are harnessed. When these energy sources are exhausted, they turn into non-renewable energy sources.
The environment is harmed by many fossil fuels, as well as some other energy sources that aren’t renewable. For example mining for oil could degrade the world’s forests. Hydraulic fracture (fracking) can trigger earthquakes and pollution of water. Burning coal releases carbon dioxide, contributing to global warming.
Fortunately, the majority of the most promising sources of energy are sustainable and renewable. Wind, solar and hydropower produce, for instance, electricity without the need to dig up new sources.
Other sustainable energy sources are emerging, such as the wave and tidal power. However, to be utilized in a large-scale manner these technologies require effective distribution networks. They need to be constructed using a source of non-renewable energy. These sources aren’t enough to fulfill the majority of our energy requirements. But it’s important keep in mind that prices for renewable energy equipment have dropped dramatically over the past few years, and efficiency is growing rapidly.
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