 On 30 March, New South Wales Premier Morris Iemma announced Koperberg would be the Minister for Climate Change, Environment and Water.In the aftermath of the election, it was revealed that Koperberg's ex-wife Specking had been involved in an affair with Paul Gibson, the Member for Blacktown and as a result the two men were bitter rivals.Koperberg had in fact earlier suggested Gibson was behind the domestic violence allegations, accusing him of running a smear campaign "bordering on evil".