IPA Observer 5 – 2016 Downloads Promoting green FDI: Practices and lessons from the field. IPA Observer no. 5 – 2016 (UNCTAD/WEB/DIAE/PCB/2015/6) 9 May 2016 English Sign up for our Insights newsletter. Get trusted intelligence on global trade, the economy and development in your inbox. Subscribe RelatedTopicInvestmentProgramInvestment Promotion and FacilitationSeriesInvestment Promotion Agency Observer KeywordsInvestment promotion