So COP21 resulted in an agreement. What’s a poor in-the-trenches lawyer to make of it? I think it’s pretty clearly a major step forward and reflects much more substantive progress than might have been expected. For a very helpful summary as to why the Paris Agreement was a success, check out Rob Stavins’s post. As good as Rob’s summary is, Elizabeth Kolbert in the New Yorker (subscription required) had a slightly more concise explanation why the Paris Agreement is a good thing:
It changes the presumption that carbon emissions will continue to grow to the presumption that they must soon start coming down.… More