We require various energy sources to live and work. These include wind, solar geothermal, biomass, and geothermal sources. In addition to being a major source of electricity, these sources can also be used to heat and transport. These energy sources can emit greenhouse gases when they are burned to generate electricity. This is why it is necessary to find more sustainable energy sources.
Fossil fuels are the most well-known type of energy. They include coal, oil and natural gas. They were formed millions of years ago when animals and plants of the past passed https://leonardogiombini.it/2019/05/11/cosa-sono-gli-impianti-a-biomasse away and were then buried beneath layers of sedimentary rock. In the right conditions these fossil fuels gradually transformed into carbon-rich compounds which, when burned produce energy. These fossil fuels are non-renewable because they will run out in our lifetimes or in many lifetimes.
Renewable energy sources On the other hand are constantly replenished. The sun is the primary source of renewable energy, since it supplies warmth and light. We use it to power our homes and businesses, as well as to drive our vehicles. Wind is a different renewable energy source, which generates electricity by spinning turbines. We have used it since humans first discovered how to harvest the wind for millennia. We use biological processes create ethanol (a clear, alcohol-like substance which can be used as fuel) from the waste of crops and other materials.
Hydropower is the main renewable energy source in America, but biofuels and wind are likely to take over. Hydropower draws on nature’s hydro cycle to harness the power of flowing water, which is used in turn to produce electricity.