The diagram shows the consumption of renewable energy in the USA from 1949-2008. Write a 150-word report for a university lecturer identifying the main trends and making comparisons where relevant.

The total consumption of renewable

energy

in the United States from 1950 to 2000 is illustrated

along with

its main sources in quadrillion. Generally, it is notable that over the years, the rate of renewable

energy

consumption has experienced a growing trend with

hydroeletric

Correct your spelling

hydroelectric

hydro electric

power being its primary source.

Hydroeletric

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Hydroelectric

power and wood show

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an

the

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undeniable contribution to the

overall

growth of the usage rate of clean

energy

in the US over the years by presenting a roughly parallel trend of imperceptive increase from well under 2 quadrillion in 1950 to almost 2.5 and 2 in the

last

years respectively. The other two

energy

sources (

Biofules

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Biofuels

and wind) ,

however

, show a constant minimum

of

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apply

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contribution from 1980 to the end of the graph, prior to which they did not exist. Right after

1990

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1990,

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a slight yet steady improvement

of

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in

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their usage is visible reaching roughly 1 quadrillion by

end

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the end

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.