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renewable energy advantages and disadvantages?

What are the advantages and disadvantages of renewable energy today?

renewable energy has Little to no disadvantages, however the process through which we obtain it does. technically there is no such thing as renewable energy, as energy cannot be “used up” it can only be converted into different forms. the way in which we use energy at the moment is harmful to our planet, by burning fossil fuels (fossilised remains of prehistoric animals e.g. oil which consists of various hydro-carbons) we are releasing harmful gasses into the atmosphere which protects us from dangerous ultra-violet and gamma radiation. by destroying our shield the planet is rapidly heating up and more cases of sun radiation poisoning are occurring e.g. increased rate of skin cancer; pollution can also damage our health directly as it can increase respiratory disease.

by using renewable energy we don't pollute the atmosphere or do alot of harm to the earths environment or inhabitants. the ways in which we gain energy are usually either infinite or sustainable as they meet the needs of the present without compromising the needs of the future. disadvantages are that the way we harvest this energy is slow and clumsy. turbines are increasingly popular over here in the UK but they are expensive and require wind which isn't constant. the windiest places are out at sea but to build on top of a seabed is also expensive. the turbines break down easily and are constantly needing maintenance, plus they lose potential energy as they can only gain a maximum amount (basically if they are getting max energy from a certain wind speed, even if the wind picks up they cant gain any more), plus the energy isn't nearly as much as when we burn fossil fuels. solar panels are popular as they can be fitted to roof tops, but these are also expensive and aren't effective at night or if it is cloudy.

basically fossil fuels are easy to obtain, they are cheap and produce a lot of energy but are harmful to the environment and are not sustainable.

renewable energy is sustainable but is slow and expensive.

we can make compromise though, nuclear energy is a frowned upon but still considered energy production method. it is not pollutant free but is a lot less harmful then fossil fuels. plus a lot of energy can be created from just a small amount of uranium.

bio-fuels and hybrids are more efficient types of of car (fuel), vegetable oil is being used in parts of america, by crushing sugar cane and adding a few things here and there we get ethanol which is perfectly capable of powering an automobile. it is fairly clean but is not sustainable as even though we can grow it at an effective rate, it couldn't meet earths demand. hybrids combine electricity with petrol. while you may think wait isn't electricity made from fossil fuels? well a lot of the time it can be made from sustainable energy, and it is cleaner to use. when the car tops 40mph the car will switch to petrol, usually the rotation of wheels when the car is using petrol can be used to recharge the unused battery partially.

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