US
Firefighters struggle to contain dozens of blazes, including one caused by a lightning strike far north of the city
Notices have been issued to 200 factories and Section 144 imposed
City traffic police launched a crackdown against smoke emitting vehicles on Tuesday
Fire results in $575,000 worth of damage
Lab test shows presence of toxins in smoke
Country needs to secure funds, take implementation of Paris Agreement seriously
Co-pilot accidentally turns of air-conditioning to smoke e-cigarette
Tobacco smoke contains more than 7,000 chemicals, including tar and others that can narrow arteries