text:  And her worry was that a lot of countries in Africa and other places around the world don't have good long-term data sets like we do in the US and Canada and Europe. And if you don't have that long-term data, it's very hard to do the attribution work. And so the challenge is like there are many more impacts on the world than there are impacts where we're going to actually be able to go in and put and do these calculations on.