Now, it also refers to mitigating climate emissions. Now, I don't know if anybody else has heard of the zero carbon Act. Hands up. Crikey, nobody's heard of that! What about the emissions trading scheme? Hands up. No? Oh, look, fortunately there are members on this side of the House who do know what the emissions trading scheme is. It turns out that there's already a system that New Zealand businesses and Government and consumers have. In fact, every time you fill up with a tank of petrol—that's right; petrol or even diesel—you pay for your emissions through the emissions trading scheme at $3 or $4 per fill up. There are already laws and regulations in place which focus on how to mitigate our climate emissions in the most cost-effective way possible. It seems remarkable, if it wasn't being proposed by this Labour Government, that now they want to propose another law to mitigate climate emissions, as if that's an admission that the zero carbon Act is already failing, or will fail, and that the emissions trading scheme—