To assuage any implication that the conversion was based on that concern?

It's helpful to know that there are economics and environmental concerns outside of an existential threat, to galvanize a country's momentum.

Mostly because when the title says "seven countries now generate...", it sure makes it look like there was some sort of a recent development made in response to climate change, and not something that would've been the case regardless.

Correct for the others, but Ethiopia was only added to this list after GERD (https://en.wikipedia.org/wiki/Grand_Ethiopian_Renaissance_Da...) came online, which is a fairly recent development.