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Questions tagged [air-pollution]

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How to avoid air pollution from stubble burning in the National Capital Region in India? [closed]

How to combat air pollution due to stubble burning by farmers in the National Capital Region (New Delhi) in India.
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3answers
100 views

Is there any way to recycle air-pollution into fertilizer?

Vehicles and Factories produce air-pollution like Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2). Plants use Fertilizer with those same compounds (NO2 & SO2) So, is there any method to capture ...
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1answer
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Is heating with candles economically and/or ecologically worthwhile?

Considering my home doesn't have a heating system nor chimneys, I wonder if it's worthwhile to heat using only candles. There are multiple dimensions to consider: Does it cost less than electric ...
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1answer
349 views

How is NOx mg/km from diesel cars and trucks related to µg/m3 in the air?

There are two different limits for NOx / NO2 in Europe: 1) 80 milligrams NOx per km that a diesel car or truck drives: Euro 6 . (In some cities you can't drive a diesel that emits more than that.) 2)...
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3answers
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What would be a viable and justifiable policy to handle short-term acute pollution incidents across large urban areas such as Delhi?

Air pollution in Delhi has rose up to hazardous level with air quality index crossing 500 in many areas. But unlike other polluted cities (like Beijing), Delhi has no shut down of schools and ...
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3answers
146 views

Is pellet fuel a sustainable energy source in the way it's used now?

Pellet fuel is considered a sustainable energy source. But the way it's used now seems to produce air pollution which I think should not happen in case of sustainable energy source. So is pellet ...
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3answers
489 views

What measures could be taken to decrease the air pollution in a big city?

I live in Madrid, where like in most big cities there is a high level of air pollution, especially due to the traffic. The levels of pollution reached the maximum allowable level a couple of months ...
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2answers
739 views

Why is Delhi the most air-polluted city of the world?

Despite the fact that India lies below USA and China on the list of carbon emitters in world, why is Delhi the most air-polluted city of the world? Also why are so many Indian cities (and no US city),...