Malcolm Roberts (Queensland, Pauline Hanson's One Nation Party) Share this | Hansard source

Yet never has anyone anywhere in the world, including you, produced a specific quantified effect of carbon dioxide from human activity on any aspect of climate, whether it be temperature, snowfall, droughts, floods, frequency, severity, storms—nothing at all. Sea levels, sea temperatures, ocean salinity, ocean alkalinity—never. So how the hell can you track progress towards achieving your goals?