State of world population 2009 : youth supplement : at the frontier : young people and climate change / - New York, E.U.A. : United Nations Population Fund, 2009 - 44 p. fot., ; 21 cm. ISBN: 978-89714-964-8 Subjects--Topical Terms: HOMBRES JÓVENES-- ASPECTOS SOCIALESMUJERES JÓVENES--ASPECTOS SOCIALESCAMBIOS CLIMÁTICOS Dewey Class. No.: F 305.23 F673s 2009