The group's recent "State of the Air" report said Pittsburgh has the worst short-term fine particle pollution in the country.

VOA: special.2009.07.13

But a national survey found that in recent years foreign language teaching decreased in public elementary and middle schools.

VOA: special.2010.06.17

But there have also been efforts to bridge the differences between religious belief and evolutionary science in recent years.

VOA: special.2009.12.01

But he agrees that in recent years, many companies have tied pay to short-term performance, instead of their long-term health.

VOA: special.2009.10.30

On a recent visit to China, the students had to spend several days in hotel rooms in the city of Kaili.

VOA: special.2009.07.14

That title became official at a recent ceremony in New York for the opening of an exhibition called "Welcome to Gulu."

VOA: special.2009.06.01

American housing sales,though, have improved in recent months, helped by lower prices and a tax credit for first-time buyers.

VOA: special.2009.09.04

The group's most recent complete study shows enrollment in computer sciences increased five and a half percent in two thousand nine.

VOA: special.2011.03.22

A recent report said more schools in the United States are teaching Chinese and Arabic, although the numbers are still low.

VOA: special.2010.02.04

But in a recent study they declared that forty percent of the tweets captured over a two-week period were "pointless babble."

VOA: special.2009.09.14

The most recent numbers show that Pittsburgh lost almost two thousand people between two thousand seven and two thousand eight.

VOA: special.2009.07.13

The Justice Department says rates in recent years fell to levels last seen in the middle of the nineteen sixties.

VOA: special.2009.12.19

But a recent study shows that another treatment may have better results for patients who were not helped by drugs.

VOA: special.2010.03.02

In recent years the international community has deployed navy ships to guard the area in an effort to fight piracy.

VOA: special.2009.04.25