As Volunteerism Explodes In Popularity, Who"s It Helping Most?

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hide captionHaley Nordine, 19, is spending the entire summer at the Prodesenh center in San Mateo Milpas Altas, Guatemala. The American University student helped build the center’s new library.


Carrie Kahn/NPR
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As Volunteerism Explodes In Popularity, Who"s It Helping Most?