Science Oct 07 Watch EU Spokesman: Hungary Has Requested Sludge Clean-up Help Margaret Warner speaks with Joe Hennon, a European Commission spokesman, about the health and environmental risks of the toxic red sludge spreading in Hungary.
Science Oct 07 Watch In Hungary, Toxic Red Sludge Reaches Danube River The toxic red sludge from an aluminum plant in Hungary has reached the Danube River, raising concerns of more widespread environmental damage in Europe. Margaret Warner has more.