Moderate

The Montreal Protocol on CFCs:

Correct answer: B. has been the most important success in global efforts to coordinate environmental protection

  • A. has been successful, but is not projected to have any significant effect on the hole in the ozone layer
  • B. has been the most important success in global efforts to coordinate environmental protection
  • C. is one of the most prominent failures of international efforts to coordinate environmental protection
  • D. has been ratified by most states and seem some voluntary compliance, but has failed to win the approval of some of the largest violators of CFC emissions

Explanation

The Montreal Protocol is widely regarded as one of the most successful environmental agreements because it achieved near-universal participation and sharply reduced ozone-depleting substances. Its implementation has supported the gradual recovery of the ozone layer.

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