All the while, the number of noxious steel mills, cement kilns and power plants relentlessly increases.
Demand for MBAs is going down, while the number of institutions offering them is going up.
But while the number of shows grows each year, the audience is becoming increasingly segmented.
While the number of new infections was small, it increased slightly each year since 2003.
While the number of clients seen by these agencies individually may be small, it adds up.
While the number of natural languages has fallen, people have tried to create entirely new ones.
With each year, the number of atheists rises while the number of practising Catholics drops.
While the number of people getting cancer is rising, there is also good news.
Both parties are unpopular, while the number of disaffected voters grows.
While the number of Asian investors is still small, "they invest big," he said.
While the number of people coming into America has fallen, the outflow has increased.
