So, when you add it all up, there are literally millions of potential emission sources in the area that we're mapping.

因此，当你整体来看时，我们正在绘制这个区域中，数百万个潜在的排放源。

This is the single biggest emission source in Oslo, accounting for 17 percent of the total.

这是奥斯陆最大的单一排放源，占总量的 17%。

This is very good news because mobility is the biggest emission source in the city, accounting for approximately 50 percent of our total emissions.

这是一个非常好的消息，因为机动性是该市最大的排放源，约占我们总排放量的 50%。

It usually involves filters, scrubbers or  other devices placed inside the emission source of an industrial facility,   which stop CO2 from being released.

它通常涉及放置在工业设施排放源内的过滤器、洗涤器或其他设备，以阻止二氧化碳的释放。

Like in every city, construction is a big emission source, and in Oslo, the municipality accounts for approximately 20 percent of everything that is being built.

与每个城市一样，建筑是一个重要的排放源，而在奥斯陆，市政府约占正在建设的所有建筑的 20%。