earthling2/
There too, cesium-137 continues to spread through the ecosystem. As a chemical, cesium-137 is very adept at migrating in nature. It easily passes from air to soil to water to plants to biota. It remains radioactively dangerous for about 300 years, meaning that once it has deposited and embedded into an ecosystem, centuries of risk will follow.
A map showing the distribution of cesium-137 from that fallout plume
that remains measurable on the ground in Europe 30 years after the disaster.
