The pie charts illustrate information about various types of waste disposal of in one country in 1960 and 2011.
Overall, by looking at the given charts it is obvious that paper had the highest rating. On the other hand, although the lowest rate belonged to wood in 1960, in the year 2011 other materials category had the lowest rating.
Firstly, waste utilization divided into 9 different types. It is observable that in the year 1960 glass and wood were nearly stable. Glass had 5 percent, and wood had 4 percent. Besides, disposal for food saw a boost throughout the period. The percent rose from 12 to 21. On the other hand, textiles category observed a decline, as the percent dropped from 17 to 11.
Then, while paper had the 25 percent in the year 1960, which was the highest at that time, in 2011 this statistic dropped to 15.Throughout the given period metal and glass remained stable: proportion of glass disposal was 5 in both years, and metal was 8 in 1960, and in 2011 this rate changed only about 1 percent. In addition to that, plastic engendered from 8% to 18%; in contrast, category of other type of waste utilizations dropped about 8%.Lastly, green waste remained same in given period.