Some investors worry that Americans are not doing enough to lift the world's largest economy out of recession.

VOA: special.2009.08.21

Some people often worry about what they will do in a situation that might happen in the future.

VOA: special.2009.08.30

Some people worry that officials could take their land if it becomes polluted by oil in a storm.

VOA: special.2010.06.04

Environmental activists worry that some kinds of fish are in danger of dying out.

VOA: special.2009.06.16

But some people worry much more than others about being the target of laughter.

VOA: special.2009.11.17

Some say they worry that health plans might pay for fewer mammograms now.

VOA: special.2009.11.25

Although the global economy is starting to turn around, some analysts worry the recovery could stall.

VOA: standard.2010.03.30

Investors also worry that steep spending cuts enacted by some eurozone countries could stifle recovery.

VOA: standard.2010.05.25