Environmental hazards in urban areas

• Growing demand for transport - increases vehicle emissions
• Increase in demand for energy - more power stations - more air pollution
• Firewood and coal burnt in growing urban cities and slums
• Water becomes polluted with waste
• Waste is burnt or in dumps where it might contaminate water
• As urban areas grown, rate of building increases, reducing amount of green space

• Cheap, poor quality coal and rapid increase in car ownership is causing a significant pollution problems 
• Estimated that 16/20 of the dirtiest cities in the world are in China
• During the olympics in beijing 3 million cars were removed from the street, and factories were closed down
• The air pollution is responsible for 1000s of cases of premature death and bronchitis
• In 2006 ,1 out of 4 day did not pass the minimum health standards of the government
• Cannot cope with the amount of waste, garbage tips are on edge of the city

Inflammation of the tubes leading into the lungs