Which of the following statements supports the conclusion that Americans are embracing the practice of sustainable living?
A. Paper recycling increased by 89 percent between 1990 and 2010.
B. Twenty-five million trees could be saved annually if one-tenth of newspapers were recycled.
C. Americans throw away 25 million plastic bottles every hour.
D. Americans recycle about 30 percent of waste even though 75 percent of it is recyclable.