Yes, the devil is always in the details.
As Mr. Damodaran said, if you get to make up your own definition of what's green, you're going to get a million definitions. With the taxonomy, it's important to remember that this is not like saying that you're not allowed to invest in fossil fuels, ever; it's saying that if you're going to declare that something is green, then we should have a high bar for that. It's pretty clear that there's a strong debate within government and outside government over whether or not to include fossil fuels in that.
The Canadian Association of Petroleum Producers argues that natural gas exports should be qualified as green because you might reduce coal emissions somewhere else. What we're saying is to keep that bar high and have it aligned with the 1.5° science-based opinion. The IEA and the UN have both put out guidelines on how to manifest that. The UN high-level expert group on the net-zero commitments of non-state entities has an Excel sheet that you can download. It's a checklist of things that are compatible and things that are not.
A lot of that work has been done, but there's a political push to get fossil fuels in because fossil fuels are a very powerful force in our politics. If you're going to be science-based, you should keep that out. The government has punted this to a committee, so a lot will depend on the makeup of that committee.
We're looking to that, but I would say that I would rather have no taxonomy than a bad one.