英国政府最近发布了迄今为止关于全球变暖的经济成本和风险最为全面的研究报告，并提出了可能减少温室气体排放的措施，希望藉此避免一些最可怕的后果。
The British government recently issued the most comprehensive study to date of the economic costs and risks of global warming, and of measures that might reduce greenhouse gas emissions, in the hope of averting some of the direst consequences.