The world is awash with a variety of energy sources. In 2018, fossil fuels, like gas, oil and coal, accounted for more than 81 percent energy consumed. Renewable energy sources like wind power, solar energy biomass, hydroelectricity, and wind power are responsible for 14 percent. Nuclear energy is another 5 percent. Different countries employ different sources of energy to meet environmental and economic requirements.

Nature provides energy in a number of forms, including sunlight, wind, waves, ocean and more. When harnessed and converted into more efficient forms of energy, such as heat or electricity, they are referred to as primary sources. These sources of energy become non-renewable sources of energy when they are exhausted.

Many fossil fuels, as well as some of other energy sources that are not https://leonardogiombini.it/2019/01/24/da-costruttore-le-biomasse-come-fondazioni renewable have been causing environmental harm. For example mining for oil may destroy the forests of the planet. Hydraulic fracture (fracking) can trigger earthquakes as well as water pollution. Carbon dioxide is released when coal is burned which contributes to global warming.

Fortunately, a majority of the most promising sources of energy are sustainable and renewable. Hydropower, solar power and wind for instance, could produce electricity without having to dig for new supplies.

Tidal and Wave Power are two more renewable energy sources that are emerging. However, to be utilized in a large-scale manner these technologies need effective distribution networks. These must be built using a source of non-renewable energy. In the end, these sources are not yet capable of meeting the majority of our energy needs. However, it’s important to be aware that prices for renewable energy equipment have come down dramatically over the past few years, and the efficiency is growing quickly.