The number of oil spills in U.S. water has decreased by more than 50%, from 8,354 spills in 2000 to…

In 2011, Americans generated 250 million tons of municipal solid waste. Paper and paperboard accounted for 28% of this waste,…

In 2011, Americans generated 250.4 million tons of municipal solid waste, 3.3 million tons less than in 2005. This decrease…

Of the 250.4 million tons of municipal solid waste (trash) generated by Americans in 2011, 86.9 million tons (34.7%) of…

Oil spills in U.S. water have decreased from 8,354 spills in 2000 to 3,492 in 2009. However, spill volume has…