It is interesting to hear him talk about Sea Level rise as such a risk. A couple of things about this –
1) I believe in Hansen, he’s a hero, but I believe he has consistently underestimated as has the IPCC and the UN.
2) Sea Level rise is not the worst thing that is going to happen. It is a symptom of a systemic problem that is going to have huge, traumatic, catastrophic impacts which simply INCLUDE sea level rise.
Here is the clip from the Bill Maher show, Real Time.