Concern is rising about three other members of the family who are missing.

Concerns over the pollution's effect on public health and the tourism industry are also rising.

Concerns have risen about the environmental effects of fish farming in the gulf.

By late Saturday afternoon, concerns were rising about driver safety on the track.

In a state and age where environmental concerns were rising, she captured the vulnerability of the wild.

The most immediate potential concern is rising oil prices, which have climbed by 36 percent this year and hit a record on Friday of $57.27.

But concern has been rising about the risks from overuse of the drugs.

This trend reversed in the 1980s, as concern about slipping academic standards rose.

Concerns rose that the facility would be too small to cope with future demands and the plans were quickly modified.

The school's concerns only rose, and on Dec. 13, they sounded the third alarm.