Independent: After decades of drug-running, extortion and prostitution, the Mafia appears to have found a rather more ecological way of laundering their money: green power. And if the assets of the Italian police’s latest target are any indication, the Mafia is embracing the renewable energy business with an enthusiasm that would make Al Gore look like a dilettante. The surprising revelation of organised crime’s new green streak came as Italian police said yesterday they had made the largest …