Discuss three international environmental regulations, including at least one that has been successful. Summarize each of the three in a separate…

Discuss three international environmental regulations, including at least one that has been successful. Summarize each of the three in a separate section, with emphasis on the U.S.’s participation or non-participation, the purpose of each attempt, and the current status of the attempt. Do not overlook U.S.-Canada or U.S.-Mexico attempts.