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

VOA: special.2009.08.21

Students may worry that low grades will keep them out of graduate school or a good job.

VOA: special.2009.03.12

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

VOA: special.2009.06.16

Many say they are now out of work, and they worry for how long.

VOA: standard.2010.06.01

Co-chair Richard Young. "We are hoping to send out a message to people in Darfur that there are people who still care, people who worry about them and people willing to work and take to the streets to support their needs and their cause."

VOA: standard.2010.05.23