Anything that facilitates or requires extracting carbon from the ground: Coal plants, petrol engines, cars, airplanes, mass production, modern agriculture processes.

The only way to stop global warming is to stop extracting carbon from the ground, where it's stored. After that we can think about capturing carbon. But first if all we need to stop pumping it into the atmosphere at a faster rate than the earth can absorb it (about 40% is absorbed at the moment, 60% of all human carbon use is added to the atmosphere).

Sorry, but did you read the question or the article at all?

Yes, what do you mean? The biggest climate effect at the moment is human carbon use, which is changing weather patterns, and the cause of the cloud shrinkage is changing weather patterns => cloud shrinkage is driven, to some degree (I would guess strongly, but let's be careful, so some degree) by human carbon extraction.

Humanity has tendency to do things wrong and then decades later realize that what we were doing was awful to the planet.