The provided chart illustrates the amount of waste manufactured by three companies named A, B and C over a 15 year period from 2000 to 2015.
From an overall perspective, it is clear that company A and B had been caring about environmental protection over the last years; indeed, the process of manufacturing waste had decreased in these both companies, while the amount of waste produced in company C was significantly increased from 2000 to 2015.
According to the information given, it can be observed that the trend of company C experienced a sharp rise from 3 tonnes to around 10 tonnes over 15 years. However, the amount of waste in company B accounted for approximately 8 tonnes in 2000, subsequently, it was increased to nearly 10 tonnes in 2005. Whereas, it dropped considerably to reach 3 tonnes in 2015. Despite two previous companies, company A had a downward trend over these years, it started at 12 tonnes in 2000, following that it steadily decreased to just under 9 tonnes in 2015.
