Read paragraphs 8-13 and answer the following questions. 7. Give one example to show that key industries rely on recycling. 8. When were the overall levels of recycling in the U.S. the lowest? 9. Why was there a new wave of interest in recycling during the 1970s? 10. What was the problem in the 1980s? 11. What led to the publication of the 1989 Agenda for Action ?