The world relies on a variety of energy sources. In 2018, fossil fuels, such as oil, gas and coal, accounted for more than 81 percent energy consumed. Renewables such as solar energy, wind power, biomass, and hydroelectricity account for 14 percent. Nuclear energy accounts for another 5%. Different countries use various energy https://leonardogiombini.it/ideals-data-room-the-backbone-of-secure-digital-deals/ sources, and are able to balance the environmental aspects with economics.

Nature is a rich source of energy in a number of forms: sunlight, wind, waves, oceans and more. These primary sources transform into more efficient energy forms, such as electricity or heat, when they are harnessed. These energy sources become non-renewable sources of energy when they are exhausted.

A lot of fossil fuels and a few of the other nonrenewable energy sources can be harmful to the environment. Oil mining, for example can cause the destruction of our forests that are virgin to the earth. Fracking (hydraulic fracture) could cause water pollution and earthquakes. Carbon dioxide is released when coal is burnt which contributes to global warming.

Fortunately some of the most promising sources of energy are renewable and sustainable. Solar, wind and hydropower could generate, for instance electricity without having to dig for new sources.

Tidal and Wave Power are also sustainable energy sources that are gaining popularity. However, to be used on a large scale they must have effective distribution networks. This requires the use non-renewable energy sources to build these networks. Therefore, these sources aren’t capable of meeting the majority of our energy needs. It’s important to remember that the cost of renewable energy equipment have decreased dramatically in recent times and that efficiency is increasing.