NASA - gsfc 20141110 ozone m10182 smaller (2014)

财富辛

Title: Why is the Ozone Hole Getting Smaller?
Source: Internet Archive (Archive.org)

English Introduction:
A NASA explainer on the annual Antarctic ozone hole, noting that declines in ozone-depleting substances under the Montreal Protocol are helping the ozone layer recover.

中文标题：
为什么臭氧空洞在变小？

中文简介：
围绕南极臭氧空洞年度变化展开的 NASA 科普视频。官方解说指出，臭氧消耗物质下降与《蒙特利尔议定书》是臭氧层逐步恢复的重要原因。

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