Nearly a billion people worldwide have limited access to clean water . The State Department is working to raise awareness about the issue . Otero said water problems are not limited to the third world , however . People in the developing world walk an average of 3.5 miles for clean water .
Nearly a billion people worldwide have limited access to clean water . The State Department is working to raise awareness about the issue . People in the developing world walk an average of 3.5 miles for clean water .