"The biggest fear for the bejing olympics was? ?????/ Air polution. .Think about it .16 million people 3 million cars .Size of our cities and cars in the future?Wonder why with only three million cars with 16 million people they had air polution? I guess i would have to ask the goof lord?" ------------------- I think you'd better do some research on "air Pollution", Carbon Dioxide (CO2) is a tasteless, COLOURLESS, odorless, nonflammable gas, it does not cause the air pollution you are talking about...colourless = invisible!