The world https://leonardogiombini.it/2019/03/01/le-biomasse-i-processi-termochimici/ is dependent on a range of energy sources. In 2018, fossil fuels, like gas, oil and coal, were responsible for over 81 percent of the energy consumed. Renewable energy sources like wind power, solar energy biomass, hydroelectricity, and biomass make up 14 percent. Nuclear energy is 5 percent. Different countries have different types of energy sources, balancing environmental and economic requirements.
Nature provides energy in a number of forms: sunlight as well as wind, waves ocean and more. When harnessed, and transformed into more efficient forms of energy, like heat or electricity, these are referred to as primary sources. These energies become non-renewable sources of energy when they are exhausted.
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 example can devastate the forests that are virgin to the earth. Hydraulic fracturing (fracking) can cause earthquakes as well as water pollution. Carbon dioxide is released when coal is burned and contributes to global warming.
Fortunately some of the most promising sources of energy are sustainable and renewable. Wind, solar, and hydropower can generate, for instance electricity without digging up new sources.
Tidal and Wave Power are the other renewable energy sources that are gaining popularity. However, in order to be used on a large scale they must have efficient distribution networks. This requires the use of non-renewable energy sources to build these networks. As a result, these sources are not yet sufficient to meet the majority of our energy needs. It’s still important to remember that the cost of renewable energy equipment has drastically decreased in recent years and the efficiency is rising.
