The environmental damage caused in Hungary after toxic sludge burst from a reservoir at an aluminium plant in Ajka is "not an exceptional case" in the metal and mining sector, Munich-based sustainability rating agency Oekom research said on Thursday.
"More than 50% of mining companies [rated by Oekom] have been responsible for severe damage to the environment", the agency's industry expert Kristina Rüter said. She was presenting a report criticising the sector's poor environmental performance.
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