The world has a wide range of energy sources. Fossil-based fuels such as natural gas, oil and coal–accounted for more than 81 % of the energy consumed in the year 2018. Renewable energy sources such as solar power, wind power, biomass, and hydroelectricity make up 14 percent. Nuclear energy accounts for another 5percent. Different countries have different energy sources to balance economic needs and environmental concerns.
Nature’s energy can be found in a variety of forms such as wind, sun, waves, and ocean. These sources of energy transform into more efficient forms of energy, like heat or electricity, when they are harnessed. When those energies are exhausted, they become nonrenewable energy sources.
The environment is damaged by many fossil fuels, and also other energy sources that aren’t renewable. Oil mining, for example is a destructive process that can destroy the forest ecosystems of the planet. Fracking (hydraulic fracture) could cause water pollution and earthquakes. The burning of coal releases carbon dioxide, which contributes to global warming.
Fortunately some of the most promising energy sources are sustainable and renewable. Wind, solar, and hydropower can create, for instance, electricity without having to dig up new sources.
Other sources of sustainable energy are emerging, such as waves and tidal power. To be utilized on a large-scale, these technologies require efficient distribution networks. They must be constructed, which requires the use of non-renewable energy sources. These sources aren’t able to fulfill the visite site majority of our energy requirements. Still, it’s important to keep in mind that prices for renewable energy-related equipment have fallen drastically over the last few years, and efficiency is rising rapidly.
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