From the petition:
"Of the 104 nuclear reactors currently active in the US, 69 are pressurized water reactors and 35 are boiling water reactors. Both of these designs for nuclear reactors are sixty years old and as such are outdated, not to mention past their projected lifetime of 40 years. The Fukushima plant in Japan used boiling water reactors and the ensuing tragedy was a wake-up call for nuclear power."
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