IELTS Writing Task 1: overview points

Here are some main points that most people noticed about the graph in last week's lesson:

• There were significant changes in the amounts of waste produced by all three companies.
• Waste produced by companies A and B decreased, but waste produced by company C increased.
• Company A was the biggest waste producer at the beginning of the period, but C was the biggest producer by the end of the period.
• Company A produced the largest amount of waste in total.

I recommend choosing just two of these main points for a two-sentence overview paragraph. For example:

It is clear that there were significant changes in the amounts of waste produced by all three companies shown on the graph. While companies A and B saw waste output fall over the 15-year period, the amount of waste produced by company C increased considerably.