In reality, carbontaxes alone won't be enough to halt global warming, but they would be a useful part of any climate plan.
事实上，仅靠碳税不足以阻止全球变暖，但碳税在任何气候计划中都有其作用。
2
Because companies that pump carbon dioxide into the sky don't pay the costs of the climate change they cause, carbontaxes would restore the proper incentives to the market.
因为向天空排放二氧化碳的公司并未对它们造成的气候变化付出代价，而碳税则会为市场带回合适的激励政策。
3
A third advantage of carbontaxes is that they raise revenue.