The outbreak of the war in Iran and the closure of the Strait of Hormuz have had major consequences for a large number of global commodity markets. While media attention has understandably focused on oil and natural gas, as well as on aluminum – owing to the strong dependence of that metal’s supply on energy prices – sulfur, like helium, ethylene, propylene, or urea, has also been caught up in the fallout of this conflict. Far from being a marginal commodity, it is essential to the ...