Sparks fly from the forward decks: A group of men protected by robust protective clothing, helmets and safety glasses are using oxy-fuel torches to cut through the thick steal piece by piece down to the keel area of the ship. After about four months of dissection, there will be nothing left to remind us of the once-mighty container ship. This is what happens when a ship is recycled in an environmentally friendly way. However, ships are often disassembled on beaches by people who don’t wear any...