Lead from leaded petrol persists in London air despite ‘90s ban: Research shows that 40% of the lead found in London's airborne particles comes from the legacy of leaded gas — a pollutant banned back in 1999.

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Important GRE Words in this article:

Imperious Save


Meaning: commanding


Deposition Save


Meaning: accretion


Warranted Save


Meaning: called for


Solder Save


Meaning: to weld, fuse, or join


Alloy Save


Meaning: to commingle


Provident Save


Meaning: frugal


Adversity Save


Meaning: a difficult or unpleasant situation.


Synonyms:
affliction,


Research from Imperial College London has found that lead from leaded petrol persists in London’s air despite its ban in 1999.
Lead levels in London’s atmosphere have dropped drastically since lead additives in petrol were phased out, and currently meet UK air quality targets.
Despite the leaded petrol ban, historically combusted lead is still p...

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