The line graph illustrates the amount of
air
polluted by Use synonyms
Industry
, Transport and Use synonyms
households
over 15-year timescale spanning from 1990 to 2005
Broadly, the popularity of Use synonyms
air
pollutants caused by Use synonyms
Industry
and Use synonyms
Households
registered downward trends, Use synonyms
while
that of Transport witnessed completely opposite trends. Notably, the total Linking Words
air
polluted in three different sources saw a sharp decrease during the surveyed period
From the outset in 1900, the pollution of Use synonyms
air
produced by Use synonyms
Industry
accounted for almost 6 Use synonyms
million
Use synonyms
tonnes
, which was nearly 5 Use synonyms
million
Use synonyms
tonnes
than that of Use synonyms
Households
. The figure for Use synonyms
Households
remained steady in the following 9 years before declining to under roughly 0 Use synonyms
million
Use synonyms
tonnes
in 2005, whilst the amount of Use synonyms
air
created by Use synonyms
Industry
Use synonyms
also
saw a dramatic fall to about 2 Linking Words
million
Use synonyms
tonnes
in the initial year
Commencing from 1900, exactly 1 Use synonyms
million
Use synonyms
tonnes
of Use synonyms
air
pollutants originated from Transport, but it Use synonyms
then
fluctuated to approximately 1,2 Linking Words
million
Use synonyms
tonnes
in 1999 before rising significantly, with 3 Use synonyms
million
Use synonyms
tonnes
in 2005Use synonyms