Sentences with phrase «extremely dangerous pollution»
The Guardian: Beijing's skyscrapers receded into a dense gray smog on Thursday as the capital suffered the season's first wave of extremely dangerous pollution, with the concentration of toxic small particles registering more than two dozen times the level considered safe.
http://chimalaya.org/ Not exact matches
It is, in reality, an extremely dangerous and seductive term that obscures the very real pollution that would occur even with «clean coal» electricity production.
In less than two minutes, the HEPA filtration system had scrubbed the air in the Passivhaus, bringing pollution levels from an extremely dangerous 1,000 µg / m3 to levels so low as to be undetectable (below the noise floor) by the instruments, allowing the test scientists to remove their gas masks and breathe fresh air while sitting inside a biome full of pollution.