Same reason I think carbon capture is worth looking into. It should not be a primary solution. I know some fossil fuel groups are behind it today. But in the not too distant future we are going to have excess green energy. Capturing carbon is worth seeing if we can scale to the point of being one of our tools. People are quick to scoff at the idea. Much like I've seen with hydrogen. But I'd rather try many options to reverse change that might not be perfect. Instead of hoping we transition power sources and that alone was enough.