Montreal Protocol

environmental protocol designed to protect the ozone layer

en-GB/ˌmɒntɹɪˈɔːl ˈpɹəʊtəˌkɒl/
en-US/ˌmɑntɹiˈɑl ˈpɹoʊtəˌkɑl/

カテゴリ：

treatyenvironmental protocol