Keeping track of our changing environment : From Rio to Rio+20 (1992-2012)

Bok · Engelsk · 2011

Utgitt	Nairobi : United Nations Environment Programme , 2011
Omfang	VIII, 99 s. : ill., fig., kart
Emner	Ecology Environment Environmental impact Environmental protection Vis mer... History World unep miljø miljøvern økologi
ISBN	9789280731903