A global pollution monitor said Montreal air represented a very high risk to health.

一家全球污染监测机构表示，蒙特利尔的空气对健康构成了非常高的风险。

A global pollution monitor said Montreal's air represented a very high risk to health.

一家全球污染监测机构表示，蒙特利尔的空气对健康构成了非常高的风险。

We have to do a big systems design but the benefits are huge: reliability, lower cost and getting rid of both global and local pollution.

我们必须进行宏大的系统设计，但好处是巨大的：能源可靠性，更低的成本，以及消除全球和本地的污染。

According to a new report by the international energy agency, global pollution from energy sources like coal, oil, and natural gas hit record high levels last year with emissions rising more than 1% across the world.

根据国际能源机构的一份新报告，去年来自煤炭、石油和天然气等能源的全球污染达到了创纪录的水平，全球排放量上升了超过1%。