Past Impact Ongoing ideasPast ideasHow we select ideasNewsAnnual ReportsOther reports and publicationsVideos Reducing the environmental footprint of cities March 19, 2015 Protected Areas as an Asset Class March 17, 2015 Oil Palm Adaptive Landscapes (OPAL) March 14, 2015 Assessing sustainability standards January 29, 2015 ‹ 1 2