0 (of a country, city, etc.) removing as many emissions (= gases that cause the earth to warm up) as it produces:
The main goal was to be a carbon-neutral or net-zero city.
The net zero house has panels on the roof to convert sunlight to electricity.
Even with net zero immigration and the current birthrate, our population would continue to grow for many years.
1 the point at which a country, industry, company, etc. removes as many emissions (= gases that cause the earth to warm up) as it produces:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.