Image: NASA

25 years ago, that’s all, the Montreal Protocol was signed.


The ozone hole is healing.


International agreements can be agreements and can make a difference.


Let’s have some more please.



3 Replies to “Montreal”

  1. But.. the CFC replacements are having an even worse effect on global warming. Efforts to replace CFCs have produced more greenhouse gases than the Kyoto agreement was meant to reduce.

    1. Ozone depletion and global warming are separate issues. Both are important. Do you have any references for what you say?

Comments are closed.