The pie charts show the composition, in different categories, of domestic 
waste
 in the United States in 1990 and 2007.
Use synonyms
Overall
, paper and organic Linking Words
waste
 were the main types of household litter in 1990. After 17 years, organic Use synonyms
waste
 alone made up almost half the refuse of houses in the US.
Taking a closer look at the charts, in 1990 more than one-third (35%) of domestic Use synonyms
waste
 was paper. Use synonyms
This
 percentage significantly dropped to only 16% in 2007. Linking Words
Also
, other types of Linking Words
waste
 products, Use synonyms
such
 as glassware, metals, and textiles, showed slight declines over Linking Words
this
 span of 3%, 2%, and 1% to be 5%, 3% and 3% respectively. Linking Words
On the other hand
, organic refuse was the second-highest Linking Words
waste
 category at 29% in 1990. After 17 years Use synonyms
this
 number jumped to 42% of total rubbish, thereby being the primary Linking Words
waste
 product.
Use synonyms
Similarly
, the proportion of wood rubbish increased, though slightly, to 8%, Linking Words
while
 plastic Linking Words
waste
 remained stable at 6% in both years. In 1990, 7% of domestic refuse was attributed to the dust/ cinders category, which disappeared in 2007 to be replaced by miscellaneous rubbish, which accounted for 17% of household refuse.Use synonyms