The Climate Fair Shares approach as a foundation of Emergency Global Climate Mobilization

Given the shout out that Bill McKibben just gave our work in the New Yorker, I’d thought I’d quickly post a brief direction finder — this post — for people who’ve come here looking for more information.

Here’s the shout out:

Tom Athanasiou’s Berkeley-based organization EcoEquity, as part of the Climate Equity Reference Project, has done the most detailed analyses of who owes what in the climate fight. He found that the U.S. would have to cut its emissions a hundred and seventy-five per cent to make up for the damage it’s already caused—a statistical impossibility. Therefore, the only way it can meet that burden is to help the rest of the world transition to clean energy, and to help bear the costs that global warming has already produced. As Athanasiou put it, “The pressing work of decarbonization is only going to be embraced by the people of the Global South if it comes as part of a package that includes adaptation aid and disaster relief.”

First, I want to stress that EcoEquity does not do this work alone, but rather as part of the Climate Equity Reference Project, or CERP. Further, CERP itself does not work alone, but rather as part of a large and expanding set of networks and collaboratives, in the US and around the world.

Second, if you want the details — some of them quite technical — on how the Climate Equity Reference framework works, it’s the Climate Equity Reference Project site you should rummage around on. See in particular the Climate Equity Reference Calculator, which is totally worth a bit of your time.

Third, if you’re interested in the specific details behind the United States’ fair share in a global emergency climate transition, you should check out the US Climate Fair Share site. The fair share position reflected herein is that of the US Climate Action Network — which chose the “equity settings” — which is itself kind of a big deal.

If you’re just coming to the climate fair shares idea, keep in mind that the exact numbers are not the point. The point is rather that national fair shares are calculated relative to three high level equity principles: historical responsibility, national capacity and, well, need. Which just so happen to be the equity principles behind the UN’S Framework Convention on Climate Change.

The nuances here are many and interesting, but the essential takeaway — at least for a high-capacity, high-responsibility country like the US — is that a nation’s climate fair share can be a lot higher than 100%. The US, bluntly, has to do a lot more than just reduce its emissions to zero if it wants to do its fair share in a global mobilization that is actually scaled to achieve the temperature goals laid down in the Paris Agreement. To read some details on this, and in particular on the equity choices USCAN chose when making its calculations, see this briefing.

Also note that the fair shares idea is extremely relevant to the challenge of rapidly phasing out fossil energy. On this front, check out to the Civil Society Equity Review, which has been putting out fair-shares inflected annual reports since the Paris meeting in 2015, reports with hundreds of organizational supports from around the world. Note especially the 2021 report, which is called A Fair-Shares Phase Out. It has to be counted as a foundational contribution to the nascent debate about how to approach the huge, though barely acknowledged, equity challenges of a very rapid and equitable transition away from fossil fuels.

To close, I’ll just ask you one of my favorite questions — what kind of a climate transition would be fair enough to actually work?

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