ncipient collapse of part of the West Antarctic ice sheet
ens, so it's not all that incipient, but there's about 3.3 metres of sea le vel rise involved.
the ice sheet, and why the relevant lump of ice is going to slide off prett y quickly when it does let go.
ller scale.
rotect coastal infrastructure. It's going to happen sooner than 100 years b ecause the ocean temperature is taking off exponentially. And the ice is no t melting from above, it's melting from below due to water which is floodin g the land under the ice, tending to float it.
Those dumb walls were designed with static sea level in mind, they dd not a nticipate major sea level rise, which will be 24 feet in the short term. Ev ery single one of them will need to be buttressed as well as made taller. I t's an impossibly expensive task and not worth it.