The graph below shows different sources of air pollutants in the UK from 1990 to 2005. Summaries the information by selecting and reporting the main features, and make comparisons where relevant. (20 mins.)

The diagram displays the information on resource air

pollution

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in the UK from 1990 to over 15 years.

Overall

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, total pollutants decreased in the Industry and household sectors

while

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transport remained stagnant. In 1990,

pollution

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reached an all-time higher with around 7 million tonnes with the biggest contribution coming from factories or manufacturing companies. Afterwards, households and transport started at the same point at below 2 million tonnes. After 3 years, the movement of contamination of air shows significant progress. Between 1993 and 2006, Industry decreased rapidly in production of

pollution

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until reached half of their total

pollution

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in 1990, followed by households that fell slightly.

Moreover

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, those sectors showed a downtrend until the end of 2005, which impacted the volume of all pollutants that had desperately reduced, yet from 1999 to 2002 had stagnated period for a

while

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,

then

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continued to fall and

finally

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stood at below 4 million tonnes.

However

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, on the transportation side, they tended to maintain their output until 2005,

although

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had a small fluctuation every 3 years.