> In fact, the regulations on sulphur content going into effect showed that this actually had climate impacts on the scale of an ultra-large geoengineering pro

> In fact, the regulations on sulphur content going into effect showed that this actually had climate impacts on the scale of an ultra-large geoengineering project... ... but not in the desired direction. Sulfur dioxide emissions from shipping appear to have actually been slowing (!!) global warming by seeding clouds which reflected sunlight.