State officials in California have said that the cancer risks from toxic air commissions are nearly three times higher than were initially thought.
State officials in California have said that the cancer risks from toxic air commissions are nearly three times higher than were initially thought.
This has led air quality regulators to approve new rules to cut down the amount of air emissions from factories and oil refineries in the Southern California area.
California has been classified as 'one of the smoggiest' urban areas in the US.
London has come under fire for not doing enough to protect citizens from the effects of emissions, which has resulted in many of them developing respiratory conditions.