Stephen Tuffnell Acid drainage is a little-known global crisis. The UN has even labelled it the second biggest problem facing the world after global warming. Romania’s prime minister, Mihai Tudose, recently raised the prospect of reopening the country’s huge Roșia Montană goldfield. The area had been mined from Roman times until the last state-run operation… Continue reading Acid drainage: the global environmental crisis you’ve never heard of