What Can Beijing Learn From Los Angeles' Pollution Problem?
How Deadly Is China's Pollution Problem? - http://testu.be/1i2weId Subscribe! http://bitly.com/1iLOHml California currently has the top 5 spots for most polluted U.S. cities. With L.A....
==========
California hosts the top five most air-polluted cities in America. Experts suggest that in the 1960s, LA’s ozone pollution was even worse than in present-day Beijing. So how bad is LA’s pollution now? And how does it compare to other cities worldwide? Well, the World Health Organization and the American Lung Association both measure air pollution primarily by how many fumes and particles exist in the air we breathe. The fumes come from sources like power plants or car exhaust, and are referred to as “ozone” or “smog”. Particles, on the other hand, are solid, and most evident in dust and smoke. Our body is equipped to expel larger particles by coughing or sneezing, but anything less than 2.5 microns in diameter can get stuck in the lungs and enter the b...
==========
California hosts the top five most air-polluted cities in America. Experts suggest that in the 1960s, LA’s ozone pollution was even worse than in present-day Beijing. So how bad is LA’s pollution now? And how does it compare to other cities worldwide? Well, the World Health Organization and the American Lung Association both measure air pollution primarily by how many fumes and particles exist in the air we breathe. The fumes come from sources like power plants or car exhaust, and are referred to as “ozone” or “smog”. Particles, on the other hand, are solid, and most evident in dust and smoke. Our body is equipped to expel larger particles by coughing or sneezing, but anything less than 2.5 microns in diameter can get stuck in the lungs and enter the b...
