Version collected by edition 2019 from examiners lore m ipsum david sinclair a collection of 100+ Writing Task Essays ielts essays essays From Examiners 0

 
106 
January 1, 2019 
95.
 
Alternative energy 
Alternative energy sources that use the natural power of the wind, waves and sun 
are too expensive and complicated to replace the coal, oil and gas that we use to 
power our cities and transport. To what extent do you agree or disagree with this? 
Alternative energy is thought by some to be the answer to our reliance on fossil fuels, as 
sources of alternative energy are low emitters of CO2 and are a sustainable means of 
providing electrical power. Critics of 'green energy' contend that current technologies are 
either too costly or impractical to realistically replace our current energy needs. 
The advantages of 'green energy' are obvious. There is no need to worry about dwindling 
supplies of progressively more expensive resources. Solar power will never run out and, 
once initial costs are paid off, the electricity is basically free. These sources of energy have 
another major benefit in the shape of their low emissions. Although there are emissions 
costs in the building of wind turbines or hydroelectric power stations, there is no further 
air pollution or the risk of environmental contamination. 
This notion of a perfect world of free and non-polluting energy does draw criticism, 
however. It is obvious that solar power won't work at night or that not every country has a 
coastline, rivers or windy hills. It is also a problem that replacing our current energy supply 
will entail expensive research and development, which, in turn, involves government 
cooperation. One last obstacle to the adoption of ‘green energy' is nuclear power. Many 
countries see the huge energy production from this power source as a more practical 
solution than messing around with the wind and waves. 
In conclusion, there is little doubt that we will soon need to wean ourselves off fossil fuels 
and on to an alternative fuel source. The only real question is whether we risk the costs and 
delays of green energy or choose the productive, but potentially dangerous, nuclear option. 

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