Contaminación estadounidense made in China.
http://www.newscientist.com/article/dn24909-made-in-china-up-to-a-quarter-of-california-smog.html?goback=%2Egde_4962349_member_5833452722195562499#%2EUuX7Q9L07is%2Eemail
Made in China: Up to a quarter of California smog
Made in China: Up to a quarter of California smognewscientist.com
The US has outsourced many of its production lines to China and, in return, global winds are exporting the Chinese factories' pollution right back.
Susana Prieto Veguillas
