Every day, thousands of huge cargo ships criss-cross oceans delivering products to markets all over the globe. But that’s not the only thing these vessels bring to port: they also emit sulfuric gases and fine particles that settle over cities as smog. In order to combat all this toxicity, a couple of years ago the United Nations passed a resolution to reduce the amount of sulfur content in maritime fuels. According to the guidelines, by 2020 shippers must switch to Continue reading