That also assumes the west Antarctic holds together until 2100. That's when it's expected to go into full retreat but the error bars are +-50 years. It could ho

That also assumes the west Antarctic holds together until 2100. That's when it's expected to go into full retreat but the error bars are +-50 years. It could hold until 2150, but it could also start breaking up in 2050. That possibility and others are not included in those estimates.