Some of the problems with Reactor Number 3

Note: I'm putting the first sentence below in all caps because I think it is very important for everyone to consider.  BEGIN QUOTE FROM WIKIPEDIA:

Reactor unit 3

 

UNLIKE THE OTHER FIVE REACTOR UNITS, REACTOR 3 RUNS ON MIXED URANIUM AND PLUTONIUM OXIDE, OR MOX fuel, MAKING IT POTENTIALLY MORE DANGEROUS IN AN INCIDENT DUE TO THE NEUTRONIC  EFFECTS OF PLUTONIUM ON THE REACTOR AND THE CARCINOGENIC EFFECTS OF RELEASE TO THE ENVIRONMENT.^[61][62][35]

[edit] Cooling problems at unit 3

Early on 13 March 2011, an official of the Japan Nuclear and Industrial Safety Agency told a news conference that the emergency cooling system of Unit 3 had failed, spurring an urgent search for a means to supply cooling water to the reactor vessel in order to prevent a meltdown of its reactor core.^[63] At 05:38 there was no means of adding coolant to the reactor due to loss of power. Work to restore power and vent pressure continued.^[64] At one point, the top three meters of mixed oxide (MOX) fuel rods were exposed to the air.^[65]
At 07:30 JST, TEPCO prepared to release radioactive steam, indicating that "the amount of radiation to be released would be small and not of a level that would affect human health"^[66] and manual venting took place at 08:41 and 09:20.^[60] At 09:25 JST on 13 March 2011, operators began injecting water containing boric acid into the reactor via a fire pump.^[67] When water levels continued to fall and pressure to rise, the injected water was switched to sea water at 13:12.^[64] By 15:00 it was noted that despite adding water the level in the reactor did not rise and radiation had increased.^[68] A rise was eventually recorded but the level stuck at 2m below the top of reactor core. Other readings suggested that this could not be the case and the gauge was malfunctioning.^[60]
At 12:33 JST on 13 March 2011, the chief spokesman of the Japanese government, Yukio Edano, was reported to have confirmed that there was a “significant chance” that radioactive fuel rods had partially melted in unit 3 just as in unit 1, or that "it was 'highly possible' a partial meltdown was underway".^[9] “I am trying to be careful with words ... This is not a situation where the whole core suffers a meltdown”. He added that hydrogen was building up inside the outer building of unit 3 just as it had in unit 1, threatening the same kind of explosion.^[43] Soon after, Edano disclaimed that a meltdown was in progress. He stated that there is no “significant chance” that radioactive fuel rods had partially melted and he emphasized that there is no danger for the health of the population.^[69][70] He indicated that increased radiation had been measured inside the reactor. END QUOTE FROM:
Wikipedia: Fukushima I nuclear accidents

So, with Reactor number 3 now that it appears to be going towards a partial or complete meltdown as well there are several new hazards that Reactors 1 and 2 didn't have.

note: Since the prevailing winds tend to be East across the Pacific from Japan and China and Asia whatever is vented that stays in the air and doesn't drop into the ocean or onto land at some point will eventually wind up over the U.S. , and Canada and Possibly Mexico, then Europe and Asia and then Japan again and round and round it goes until it goes to earth or water. Also, one particle of nuclear radiation if lodged in someone's lungs will be fatal within 20 to 30 years. This is something to think about. This is what likely killed both John Wayne and one of his leading ladies. Wayne and others believed that they breathed in radioactive dust downwind from a nuclear test site where nuclear bombs were tested while making a cowboy movie.