The United Nations will unveil on April 27 a set of six principles defining how institutional investors worldwide can invest in ways that protect the planet and meet social responsibilities. The guidelines will be published in a document called "Principles for Responsible Investment" (PRI)... The guidelines aim to encourage investors to address environmental, social and governance concerns, such as harmful emissions, climate change and child labour... Swedish insurer Folksam [and] France's CDC [Caisse des Depots et Consignations]...are among the institutions that took part in setting the principles, sources said... Mitsubishi...[is] considering taking part in the initiative, the sources said. Global asset fund managers ABN AMRO AM [Asset Management], BNP Paribas AM, Citigroup AM, Groupama AM, HSBC AM and Nikko AM [joint venture Nikko Cordial, Warburg Pincus & Government of Singapore Investment Corporation] are expected to adopt the principles, they added.