The pie chart provides information about the domestic waste in different categories in 1990 and 2007 in the United States.
Overall, it can be seen that paper and organic waste were the main types of household litter in 1990. In additon, over the next 17 years, organic waste increased almost twofold.
Taking a closer look at the charts, in 1990 more than one-third (35%) of domestic waste was paper. This percentage significantly dropped to only 16% in 2007. Moreover, other types of waste products, such as glassware, metals, and textiles, showed slight decline over this frame by 3% 2% and 1% to be 5% 3% and 3%, respectively. On the other hand, organic waste was the second-highest category at 24% in 1990. Over the next 17 years, this number jumped to 42% of total rubbis.
Similarly, the proportion of wood rubbish increased slightly to 8%, while plastic remained stable at 8% in both years. In 1990, 7% of domestic waste was attributed to the dust/cinders category, which disappeared in 2007 and was replaced with miscellaneous rubbish, which accounted for 17%.