United Nations Environment Programme--Periodicals.; Environmental impact analysis--Periodicals.; Global environmental change--Periodicals.; Environmental policy--Periodicals.
Annual; Began with 2008.; Description based on first issue; title from title screen (viewed June 16, 2008).; Also available in the OCLC Digital Archive. Harvested from http://www.unep.org/geo/yearbook/yb2008/report/UNEP_YearBook2008_Full_EN.pdf on...