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,

The graph illustrates a variety of sources resulting in

air

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pollution in the United Kingdom between 1990 and 2005.

It is clear that

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the vast majority of emissions were caused by industry,

whereas

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the smallest minority

were resulting

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resulted

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from households and

transport

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.

Overall

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, the levels of pollution caused by these sources decreased throughout the period, except

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transport

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for transport

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, which remained stable. Focusing first on

industry

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the industry

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, in 1990, it emitted almost 6,000,000 tonnes of

air

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pollutants,

while

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by 1996,

this

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figure dropped drastically, by approximately 50%. By 2005,

this

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percentage continued to decrease, with only 2,000,000 tonnes of

air

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pollutants by

this

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year. As for households and

transport

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, at the beginning of the period, they caused the emissions of 1,000,000 tonnes of harmful substances,

whereas

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by

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, by

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2005, households almost did not cause any emissions, as opposed to

transport

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, which percentage remained relatively constant over the period. Regarding the proportion of the total

air

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pollutants, it fell gradually from roughly 7,000,000 to nearly 3,000,000 from 1990 to 2005.