Even with a drastic reduction in greenhouse-gas emissions temperatures will probably be 1.5 degrees Celsius above their late-19th century levels by 2050.

即使温室气体排放量大幅减少，到2050年，气温仍可能比19世纪末的水平高出1.5摄氏度。

Some notable advantages of such automated vehicles include a drastic reduction in traffic-related deaths because the vehicles will collaborate with traffic control systems.

这种自动车辆的一些显著优点包括交通事故死亡人数的大幅减少，因为这些车辆将与交通控制系统协作。

They also show that stabilizing climate would imply a drastic reduction in greenhouse gas emissions in the near term.

他们还表明，稳定气候意味着在短期内大幅减少温室气体排放。

Without drastic reductions in greenhouse gas emissions, the world is on track to warm 2.1 to 2.9 degrees by 2100, according to the United Nations.

联合国称，如果不大幅减少温室气体排放，到2100年，全球气温将上升2.1至2.9摄氏度。

Moved by the Democratic demand for a drastic reduction, he had expressed opinions which were thought to imply a " downward revision."

受民主党要求大幅削减的推动，他表达了被认为暗示“向下修正” 的意见。

" Given plastic packaging's many benefits, both the likelihood and desirability of an across-the-board drastic reduction in the volume of plastic packaging used is clearly low, " the report said.

报告还称，“鉴于塑料包装的诸多好处，全面大幅度减少塑料包装使用量的可能性很低。”

(Laughter) Indeed, current estimates suggest that even with drastic emissions reductions, the world will need to be removing between five and 16 billion tons of carbon dioxide from the atmosphere every single year by 2050.

（笑声） 事实上，目前的估计表明，即使大幅减少排放，到 2050 年世界每年也需要从大气中去除 5 到 160 亿吨二氧化碳。