Band 6+: The graph below shows the CO2 emissions of five regions from 2000 to 2020, and predictions up to the year 2040.Provide an overview of the information by identifying and describing the key details, and include comparisons where appropriate.

The line graph illustrates the CO2 emissions among the five regions over a 20-year period and forecasts to the year 2040.

It is clear that over 40 years, region 1 shows a dramatic decrease; on the contrary, it is the highest of five regions. The millions of metric tonnes of CO2 in regions 2 and 5 fluctuate minimally, while region 5 is always the lowest of the five distinct regions from 2000 to 2040. Besides, the data on CO2 emissions in regions 3 and 4 have an upward trend.

In 2000, region 1 had a starting highest at 8 millons of metric tonnes; however, it gradually increased to almost 9 millons of metric tonnes. Afterwards, this region substantially plunged, approximately 7.5 millons of metric tonnes in 2020. Moreover, the CO2 emissions were steadily stabilized in both regions, with region 2 at nearly 6 millions of metric tonnes and region 5 at 1 million of metric tonnes between 2000 and 2020. The figure for CO2 emissions in region 3 fluctuated and significantly grew and eventually remained at nearly 5 millions of metric tonnes over a 20-year period. Additionally, the amount of CO2 in region 4 soared to 4 millions of metric tonnes by 2020—a double rise.

From 2020 to 2040, region 1 will still have a downward trend, which will reach a lowest point at 7 millions of metric tonnes. Regions 2 and 5 will have rapidly oscillated at 6 millions of metric tonnes and roughly 1.5 millions of metric tonnes, respectively. After levelling off around 2020, region 3’s emissions are anticipated to climb once more and match region 2’s by 2040. Region 4 is also forecast to go up, ultimately hitting 5 million of metric tonnes by 2040 but remaining below region 3.