The graph below shows different sources of air pollutants in the UK from 1990 to 2005. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The line graph indicates the

number

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of emissions released into the

air

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from various

sources

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in the UK between 1990 and 2005.

Overall

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, the

number

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of

air

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pollutants

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released by the industry was much higher than other

sources

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.

Further

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, there was a significant fall in the total amount of

air

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pollutants

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from all the

sources

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. In the year 1990, around 7

million

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tonnes

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of

air

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contaminants were emitted from all

the

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apply

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three different

sources

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which significantly dropped to approximately 4

million

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tonnes

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in 1999 and

then

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continued to fall to about 3

million

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tonnes

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by the end of the period. The total

number

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of

pollutants

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emitted into the

air

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gradually reduced to about 5

million

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tonnes

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by 2005.

Further

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, the industry with the highest amount of contaminants with 5.5

million

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tonnes

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in 1990 gradually declined to about 2

million

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tonnes

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in 2005. Despite the figures for transport and household emissions being equal at the beginning of the period, there was a slight increase in the

number

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of

air

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pollutants

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from transport to 1

million

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tonnes

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by 2005,

while

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the household emission dropped to a negligible level at 0.1

million

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tonnes

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at the end

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of the period.