Earth first

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Across
  1. 2. In this situation, small companies have to r__ costs in order to survive.
  2. 3. The government has taken some measures to reduce the s__.
  3. 5. The factory keeps r__ smoke，making the air dirty and smelly.
  4. 6. Professor Yang will give us a l__ about how to protect the environment this afternoon.
  5. 9. She was left an orphan(孤儿) and a rich woman a__ her.
  6. 11. Take a r__ bag with you when you go shopping.
  7. 12. We were deeply a__ by the news of her sudden death.
  8. 15. S__ development is the common target of human beings.
Down
  1. 1. The government try to r__ the building to its original state, but failed.
  2. 3. We should keep in mind that fuel s__ of the nation will not last forever.
  3. 4. One theory is that the i__ has been present for a very long time.
  4. 7. Anyone who breaks the law will be s__ punished.
  5. 8. The process also produces more g__ gases.
  6. 10. Let us do more to develop r__ energy.
  7. 13. The f__ water gradually subsided.(回落)
  8. 14. C__ dioxide is a kind of greenhouse gases.