From ABC News (link):
Glance around the room. That lamp, this keyboard, your socks. Chances are they were all made in China, while inside your computer is software likely written in India.
Americans are surrounded by the fruits of Asia’s explosive rise, and years of steady importing and outsourcing have created winners and losers on both sides of the globalization boom. But the next phase could prove harmful for everyone ” because even the air we breathe could be made in China.
For years, air quality in the United States has been steadily improving, which is why atmospheric scientists were puzzled when they recently measured sulphur, mercury and PCBs ” an industrial byproduct pollutant ” blowing onto the Washington coast. Using a pollution-sniffing airplane and computer models, they traced the unwelcome import 3,000 miles across the Pacific.