Personally, I mostly agree with Minister Guilbeault: #ClimateChange is a serious problem for the world; Canadians ought to do our share to reduce carbon emissions; increasing the cost of emissions is in principle an economically efficient way to do so.
That said, there are empirical questions: How much is the #CarbonTax reducing emissions? Are there other measures that would have similar effects at lower cost? Premier Moe is not wrong when he says natural gas exports can be beneficial on net.