sulphur dioxide

 
Air pollution death toll rises by 170
Air pollution death toll rises by 170
The department of environment, forestry and fisheries is trying to, once again, double the allowable concentration of sulphur dioxide that...
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.
'Another 20 to 30 years' of unhealthy air for China's city dwellers
'Another 20 to 30 years' of unhealthy air for China's city dwellers
Millions of city dwellers in China will be breathing unhealthy air for at least another 20 years despite recent moves to tighten controls on the...

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