Strontium reaches 500 Billion Bq/m³ in basements at Fukushima. enenews.com Officials are concerned that Fukushima ice wall could trigger significant subsidence and further endanger reactor buildings. enenews.com The Environmental Protection Agency would encourage states to build new nuclear plants and preserve those threatened by low wholesale power prices under a proposal to cut carbon emissions released Monday. nuclearstreet.com Construction remains on track at Missouri's Callaway nuclear plant to complete an underground spent fuel storage facility in January. nuclearstreet.com