In chatting with someone in the oil industry, he said humanity was undergoing its largest accidental geo-engineering exercise via sulphur containing heavy oil b

In chatting with someone in the oil industry, he said humanity was undergoing its largest accidental geo-engineering exercise via sulphur containing heavy oil being burnt on ships. Somewhat recently high sulphur content was banned from heavy oil and we stopped that experiment. https://clearseas.org/en/blog/marine-fuels-what-is-heavy-fuel-oil/ https://clearseas.org/en/blog/marine-fuels-what-is-heavy-fue...