The graph below shows UK acid rain emissions, measured in million tonnes from 4 different sectors between 1990 and 2007

The chart compares the amount of acid rain emissions in the UK in terms of 4 sectors including

transport

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and

communication

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, the supply of electricity,

gas

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and

water

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,

domestic

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and domestic

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and other

industries

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over the 17-year period from 1990 to 2007. Generally speaking, most

industries

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experienced a decline except for

Transport

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and

communication

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. What stands out is that the Electric,

gas

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and

water

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supply saw the most significant decrease over the given period. In the

last

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decade of the twentieth century, a much larger amount of acid rain emissions was seen in Electricity,

Gas

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and

Water

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supply, at about 3,3

million

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tonnes, in comparison with the other 3 sectors.

While

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the figures for

Transport

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and

communication

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and Domestic

industries

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were lower, accounting for approximately 0,7 and 0,6

million

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tons

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respectively, other sectors made up more than 2

million

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tons

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.

On the other hand

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, the figures changed considerably at the turn of the twenty-first century. There was a dramatic fall in the sector of Electric,

Gas

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and

Water

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supply to only 0,5

million

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tons

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in 2007. Domestic and other

industries

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decrease slightly over the 17 years.

However

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,

Transport

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and

communication

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fluctuated

then

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reached a pick at 1

million

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tons

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in 2005 before going down in 2007.