plutonium

The Anthropocene: Canadian lake mud 'symbolic of human changes to Earth'

The Anthropocene: Canadian lake mud 'symbolic of human changes to Earth'

Scientists are trying to define a new geological time period to recognise the changes we've made to the planet, and Crawford is their model example. Its sediments have captured fallout from intense fossil fuel burning, and even the plutonium from bomb tests. The muds would be symbolic of the onset of a proposed Anthropocene Epoch.