avances y progresos científicos en nuestro cambiante medio ambiente UNEP. Division of Early Warning and Assessment text ke Nairobi Division of Early Warning and Assessment (DEWA), UNEP 2010 monographic spa PDF viii, 66 p. ill., charts, graphs, maps, tables 24 cm. UNEP job no.: DEW/1195/NA. Includes bibliographical references . Environmental protection Resources conservation Disaster prevention Climate Change Hazardous wastes Ecosystems UNEP/GCSS.XI/INF/2 UNEP/GCSS.XI/INF/2 9789280730463 http://new.unep.org/yearbook/2010/PDF/UNEP_ES_2010_low.pdf http://new.unep.org/yearbook/2010/PDF/UNEP_ES_2010_low.pdf PUCPR 100720 20160527184340.0 302654