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The graph illustrates the levels of sulphur dioxide and smoke in the air of London ( in microgram per cubic metre) for a period of 450 years, starting in 1550.

Overall, the figure of both pollutants experienced a familiar trend. However,  the level of sulphur dioxide was way more significant than smoke one.

In 1600, the number of pollution micrograms was low, yet for the next 100 years, there was a gradual increase in the smoke level, by nearly 200 micrograms while the figure for sulphur dioxide rose sharply to almost 750 micrograms. Smoke levels continued to go up, at the same time fluctuations were witnessed in sulpher dioxide rate from 1700 to 1800.

Between 1800 and 1900, sulphur dioxide and smoke levels reached a peak, at around 800 and 500 micrograms respectively. After 1900, the levels of both pollutants fell dramatically to 0 before fluctuating for a long time.

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The linegraph illustrates the data about population in London from 1600 to 2000. At the onset, it is clear that the rates of sulphus dioxide are more than smokes.

As is presented in the graph, the level of Sulphur dioxide was maintained unstably. Before 1600, the level was still very low, under 100 micrograms per cubic meters but after that, it sharply moved upward to more than 750 micrograms per cubic meters in about 1730. Then, there had a slight decline and a steadiness to near 1800. Afterward, the level continued to go up and reached the climax in 1850 about nearly 900 micrograms per cubic meter. There was continued to have a slight and unstable decline until nearly 1900, then the level dropped dramatically and almost over in 2000.

We can see that, in 1600, the figures smoke in London started sharply under 100 micrograms per cubic meter. Between 1650 and 1900, these rates significantly shot up to 500 micrograms per cubic meter, a period of 250 years. Following that, from 1900 to 1950 there was a rapid changed at 300 micrograms per cubic meter nearly the same as the levels of sulphus dioxide. Finally, the level of smokes in London fell to a dip in 2000, at zero.

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The line graph indicates LONDON's air pollution index of tow factors: smoke and sulphur dioxide over the period 1600 to 2000.

In general, the pollution caused by sulphur dioxide tend to higher than smoke . Furthermore, both of them had tendency flutuate similarly. In detail, they declined significantly after 1900.

To begin with, the first element is the amount of emission. It proned to increased slightly from 1600 and reached a peak at the years of 1880 with about 500 micrograms per cubic metre.

Likely to the level of emission, besides, sulphur dioxide rocked higher than smoke. The element which started to polluted from 1600 and countinuted to rise for the next fifty years. In the period from 1700 to 1800, the pollution level falled sudden after reached 700 micrograms. However after that, it again had a sharp increase and over 750 micrograms per cubic metre.

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The line graph below illustrates the pollution levels in London between 1600 and 2000
Overall, the release of Sulfur dioxide was higher than the smoke by the year 1600 and 2000. As can be seen, in the last 16th century, the graph shows the same micrograms impurity environment level as sulphur dioxide is 1 microgram. After that, the number of sulphur dioxide in the air increase dramatically and hit a peak with over 750 micrograms in the middle 17th century and then dropped accidentally under 750 micrograms in 1880. Compared to smoke, from the beginning of the 16th century to the 18th century, the amount of smoke went up steadily and  reached a peak in the year between 1850 and 1900 with approximate 450 microgram . Afterward, while the sulfur dioxide was decrease rapidly before 1920, the smoke also dropped slightly at the same time. Then both of them fluctuated in the year between 1920 to the middle of 1950 and 2000 and tend to decline into 0 in the 2000.

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The line graph depicts pollution levels in London from 1600 to 2000. Sulphur dioxide and smoke pollutants formed a similar pattern during this time period, and both, measured in micrograms per cubic metre, are contributing to an increase in pollution in London.

The levels of both pollutants fell dramatically during the twentieth century, though there was a great deal of fluctuation within this fall.

London had the lowest levels of pollution in 1600, but the number increased dramatically over the next few years. In the 1700s, sulfur dioxide levels exceeded 700 micrograms per cubic meter, while smoke levels gradually increased to around 200 micrograms per cubic meter. Sulfur dioxide levels continued to rise over the next two centuries, peaking in 1850 at nearly 900 micrograms per cubic meter. Furthermore, smoke levels increased more rapidly, reaching a peak of around 500 micrograms in 1900.

In conclusion, sulfur dioxide has always been the more significant pollutant and smoke level in London over the centuries. And it is undeniable that London's pollution problem has improved over time in the twentieth century, reaching near-zero levels.

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The line graph gives information the pollution rates in London within 400 years from 1600 to 2000. In micrograms per cubic metre, it measures smoke and sulphur dioxide. According to the data, the levels of both pollutants followed a similar trend over this time, however sulphur dioxide levels were always greater than smoke levels in the sky.

Pollution levels were modest in 1600, but during the next century, sulphur dioxide levels grew to 700 micrograms per cubic metre, while smoke levels steadily increased to around 200 micrograms per cubic metre. Sulphur dioxide levels continued to rise during the next two hundred years, however there was some volatility in this trend. In 1850, they reached their height. During this time, smoke levels rose even faster, peaking at almost 500 micrograms in 1900. Both pollutants' levels dropped considerably during the twentieth century, albeit there was a lot of variation within that drop.

Air pollution was clearly a bigger issue in London in the early twentieth century than it is today

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The line graph compares the level of pollutions in London which was caused by Sulphur dioxide and smoke from the 1600 to 2000.

Overall, that is observed two lines Sulphur dioxide and smoke have a same uptrend and similar fluctuations. However, the level of Sulphur dioxide is always higher than smoke during 400 years.

From the year 1600, the pollution amount of Sulphur Dioxide has increased rapidly from nearly zero to higher than 750 in 1750 and still moderately increased to almost 1000 and due to some changed happened in the overall environment making the  amount of pollution level that come from Sulphur dioxide  decreased rapidly from 1900 and has reached nearly 0 in 2000

The pollution level of smoke climbed continuously higher from nearly zero level for the next 300 years after 1600 although having random fluctuations during the period 1700-1750 and 1850-1900. Surprisingly, like Sulphur dioxide the pollution level due to Smoke began to reduce at the same time when the Sulphur dioxide’s pollution started falling. The pollution level reached nearly zero in 2000.

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III/
4->2->3->1
IV/
1.Global temperature
2. extinction
3. Global sea levels
4. mangrove forests
5. coral reefs
6. Farming
7. CO2 levels
V/
1. Argentina
2. The Northwest Passage
3. land for food
4. asthma
5. manthane & cacbondioxe
6. cutting down trees & burning fossil fuels
7. stop burning fossil fuels, start using renewable energy.
VI/ c

# data[].attributes.body
3/
solution to the problem 4
changing ecosystems 2
melting glaciers 1
causes of climate change 3
4/
global temperatures
extinction
Global sea levels
mangrove levels
coral reefs
farming
CO2 levels

# data[].attributes.body
3. 4
2
1
3
4.
1 Global temperatures
2. extinction
3 global sea levels
4 mangrove forests
5 coral reefs
6 farming
6 CO2 levels
V/
1 Argentina
2 The Northwest Passage
3 land for food
4 asthma
5 manthane & cacbondioxe
6 cutting down trees & burning fossil fuels
7 stop burning fossil fuels, start using renewable energy
VI/ c

# data[].attributes.body
3.
solution to the problem -- 6
changing ecosystem -- 4
melting glaciers -- 2
causes of climate change -- 5
4.
1. global temprature
2. extinction
3. global sea levels
4 mangrove forest
5 coral reefs
6 farming
7 CO2 levels

# data[].attributes.body
3.
1: Melting glaciers
2: changing ecosystems
3: cause of climate change
4: solution to the problem
4.
Global temperatur
extinction
global sea levels
mangrove forests
coral reefs
farming
CO2 levels
5.
Argentina
The Northwest Passage
Provide land for growing food
Asthma
Methane, carbon dioxide
Burning fossil fuels and cutting down trees
Stop burning fossil fuels, start using renewable energy
6 C
7.

ges of using renewable energy

# data[].attributes.body
3. 4
2
1
3
4. 1. global temperature
2. extinction
3. global sea levels
4. mangrove forests
5. coral reefs
6 farming
7 Co2 levels

# data[].attributes.body
ex3.
solution to the problem 4
changing ecosystems 2
melting glaciers 1
causes of climate change 3
ex4.
1. global temperatures
2. extinction
3. Global sea levels
4. mangrove levels
5. coral reefs
6. farming
7. CO2 levels

# data[].attributes.headline
( Room 9 ) Đăng Khoa, Thảo Vân, Phạm Quang Minh

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( Room 9 ) Đăng Khoa, Thảo Vân, Phạm Quang Minh

# data[].attributes.body
1. melting glaciers
2. changing ecosystem
3. cause of the climate change
4. solution to the problem

1. global temperatures
2. extinction
3. Global sea levels
4. mangrove forests
5. coral reefs
6. farming
7. C02 levels

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The Northern Lights: Aurora Borealis

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HaLong Bay, Vietnam