Nitrogen dioxide

 
No end to Arcelor’s toxic practices
No end to Arcelor’s toxic practices
It takes more than eight hours of constant heating at 1 000°C to turn coal into the coke that’s mixed with iron ore to make steel.
Mpumalanga tops world nitrogen dioxide air pollution charts
Mpumalanga tops world nitrogen dioxide air pollution charts
Mpumalanga province has the highest levels of air pollution in the world, topping nitrogen dioxide levels across six continents, according to a new...

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