Hawaii & West Coast Tsunami Warning!!!

In this news clip, they talk about how Japan is releasing nuclear fumes, to release pressure, which are supposedly unharmful to humans or the environment. They also mention a 'dome' which will go over the reactor, if they fail to cool them down. Not sure how it works.

[ame="http://www.youtube.com/watch?v=pHHQXW7VSMw"]YouTube - Japan's Chernobyl? Radiation pressure fears at Fukushima plant[/ame]