The pie chart provides data about different types of pollution in one country in 1960 and 2011. The figures are given with percentages.
Overall, it is clear that there is a huge increase in plastic, food, and wood waste while paper, metal, textiles, and other types of waste decreased. The most dramatic change was seen in the proportion of paper.
In 1960, the country had enormous paper waste, almost 25%. Textile pollution was in second place with 17%. Food, green, metal, plastic, and other types of waste accounted for 12%, 9%, 8%, 8%, and 12%, respectively. In order, waste types such as wood and glass comprised 4% and 5%.
In 2011, looking at the second diagram, we can see that the main pollution types were food, plastic, paper, and textiles with 21%, 18%, 15%, and 11%, respectively. After 51 years, glass and green waste remained the same at 5% and 9%, in order. Metal pollution had increased slightly to 9% and wood waste had doubled to 8%.