It is well known that China produces more pollution than anywhere else on earth. Twenty one percent of the Chinese pollution produced every year can be traced to exports that are specifically made for the US. Although we have moved a lot of manufacturing to China, and thus a lot of our pollution it seems that some of this pollution has come back to bite us. A new study has shown that Pacific Ocean winds are pushing pollution over to America. There is one day of smog that is over the federal limit a year in LA because of the pollution coming from China.