Mounting opposition to the scheme has seen especially fierce debate over cutting emissions in Australia, which has an economy strongly dependent on carbon-heavy industries such as mining.
Speculation has mounted in recent weeks that the Australian government, led by Prime Minister Kevin Rudd, may seek to delay or kill off plans for a cap-and-trade scheme for carbon emissions.
Wong swatted down the rumours at a business conference in Sydney, saying the ETS will be in place and operational by 2010.
