Nonviolence, Community, Resistance: Jonah House | WitnessPhoto | summer-2009 | sunflower

Sunflowers are the international symbol of nuclear disarmament...After the Chernobyl nuclear accident in the Ukraine in 1986, rafts with sunflowers growing on them floated on a small pond. The plants are helping clean the pond; their roots dangle in the water to suck up the radionuclides cesium 137 and strontium 90. The Chernobyl sunflower project began in 1994. The plants preferentially absorb cesium and strontium from a mixture of metals. . The plants as are disposed of as radioactive waste after about 3 weeks on the pond.
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