Runit is a far-flung coral speck surrounded by shimmering blue lagoons, a tiny outpost of the Marshall Islands.
It’s also Ground Zero of the South Pacific or, as one Marshallese calls it, “a big monument to a giant American fuck-up”.
Runit is dominated by what’s called the Dome. It looks like the work of extra-terrestrials. But this is a man-made, sprawling concrete circle that encases tonnes of nuclear waste including about 400 lumps of plutonium, one the deadliest substances known to science.
Now the Dome is cracking and leaking. Storm tides flood over it. Seawater is inside it. The fear is that a typhoon will break the whole thing apart and spew its radioactive contents into the ocean.