A third, more radical "enhanced low-carbon" scenario would produce peak emissions around 2025, reducing to 5bn tonnes by 2050.

第三种是“强化低碳情景”，年排放量在2025年前后见顶，到2050年时减少到50亿吨。

youdao

Global warming will continue for some decades after carbon dioxide emissions peak.

二氧化碳排放量达到最大值后，全球气候变暖将会持续好几十年。

youdao

China will bring its total greenhouse gas emissions to a peak before 2030.

中国的温室气体排放总量将在2030年之前达到峰值。

youdao

The facility in Arcadia is expected to help power 3,000 homes, at its peak,and do so without producing carbon emissions, like traditional coal-fired plants.

VOA: standard.2009.10.27

So too were a number of other conditions that Europeans and others would have liked, such as a date for peak emissions.

ECONOMIST: Climate change after Copenhagen

So from their point of view, asking rich nations to peak their emissions within a few years and halve them within five isn't unreasonable - especially, as another portion of the text says, that the problem of greenhouse warming has been on the radar for so long that rich countries could have peaked their emissions during the 1990s if they had wanted to.

BBC: Durban: Climate summit looks back and forward

Mr Harvie called for a legally binding global treaty which made 2015 a global peak year for emissions and he said there was a need for support for low carbon development in poorer countries.

BBC: 'UN Climate Summit' debate 2