1987年《蒙特利尔议定书》的签署,意味着国际社会已经普遍意识到全球共同行动是保护臭氧层工作取得成功的必由之路。然而,这时的《议定书》并未建立一种机制来帮助发展中国家采取控制措施。在此情形下,我国政府在1989年召开的《议定书》缔约方第一次全体会议上正式提出了设立保 The signing of the 1987 Montreal Protocol means that the international community has generally realized that concerted global action is the only way to protect the success of the ozone layer. However, the Protocol at this time did not establish a mechanism to help developing countries take control measures. Under the circumstances, at the first plenary meeting of the Parties to the Protocol held in 1989, my government formally proposed the establishment of a pledge