Death from the Air
 

Death from the Air:
Photochemical Smog in Mexico City

Photochemical smog is a type of air pollution caused when sunlight acts upon the gases produced by motor vehicles and factories. It can destroy plant and damage human health. However strategies ,such as reducing the use of private vehicles and change the type of fuel are suggested to its dangerous impact.

1) What is Photochemical smog?
• Definition :
Chemical reactant smog
• The mechanism of reaction
2) Sources :
• Transport
• Industry
3) Effect of Photochemical smog :
• Plant :growth
• Human : asthma ,lung cancer, headaches .
4) Control Strategies:
• Reduce of use of private vehicles
• Control vehicles condition
• Change of fuels
• Filters