But pollution is not the only environmental concern with transportation.

VOA: special.2010.01.11

"The authors of this "fact-finding report" had little concern with finding facts .

VOA: standard.2009.09.29

With this latest discovery, the researchers say noise pollution in coral environments raises yet another cause for concern for these organisms.

VOA: special.2010.08.10

And liberal Democrats watched with concern as many of Franklin Roosevelt's old advisers left the government because they could not work with Truman.

VOA: special.2011.08.11

Before,people with special needs were often prevented from physical activity out of concern that they would hurt themselves or be unable to compete.

VOA: special.2009.08.23

Several days later, Sola came to me with a look of great concern.

VOA: special.2010.07.17

With so much concern over the swine flu, it is hard to believe anyone would want to get it on purpose.

VOA: standard.2009.12.18

So there is concern that we have expressed, and we'll continue to raise with other countries in the region.

VOA: standard.2009.09.15

He says he is pleased with the results, noting the captain's safety was the top concern throughout the crisis.

VOA: standard.2009.04.13

Recent studies reflect growing concern in the medical community about the risks associated with large amounts of radiation given to patients.

VOA: standard.2010.01.30

"And,this is of concern to us. We also are concerned about the collateral damage that often results with child victims."

VOA: standard.2009.09.16

The flow of illegal drugs and the violence associated with it is a concern throughout North America.

VOA: standard.2009.08.10

There is concern in Seoul that Pyongyang's insistence on holding bilateral talks with Washington could drive a wedge between the U.S.and South Korea.

VOA: standard.2009.12.08

"We have been overwhelmed with the outpouring of support and concern towards Bowe and our family.

VOA: standard.2009.07.20