The line chart illustrates the sources of air
pollution
, which are from transport, industry, and households, in the UK over the period between 1990 and 2005. Use synonyms
Overall
, the air Linking Words
pollution
from households and industry showed a downward trajectory, Use synonyms
whereas
transport experienced a minor rise. Over the years, the total pollutants generated a Linking Words
decrease
.
In 1990, the total amount of air Replace the word
decreased
pollution
began with 7 Use synonyms
million
Use synonyms
tonnes
, which decreased gradually to 4 Use synonyms
million
Use synonyms
tonnes
in 1999. After remaining slow decline in 2002, it continued to significant crash in the remaining years. Use synonyms
Moreover
, the industry pollutants generated around 5.5 Linking Words
million
Use synonyms
tonnes
in the first year, which was followed by a moderate slip to approximately 5 Use synonyms
million
Use synonyms
tonnes
in 1993. The Use synonyms
pollution
fell to 3 Use synonyms
million
Use synonyms
tonnes
and Use synonyms
thereafter
dropped consistently to 2 Linking Words
million
in 2005.
Turning to household pollutants, Use synonyms
by contrast
, started with just about 0.8 Linking Words
million
Use synonyms
tonnes
in 1990 and remained stable for three years. Before recovering to roughly 0.7 Use synonyms
million
, the number dipped to nearly 0.5 Use synonyms
million
Use synonyms
tonnes
in 1996. From 1999 onwards, the Use synonyms
pollution
declined steadily and hit a low point of almost zero Use synonyms
million
by 2005.
Use synonyms
In contrast
, transport stood at the same figure as households in 1990. Linking Words
This
was followed by a modest creep up to 1 Linking Words
million
in 1996 before edging down by about 0.1 Use synonyms
million
in the following year. The number had a marginal increase in 2002 and remained unchanged until 2005.Use synonyms