United Nations Sustainability Summit mandated by the General Assembly September 2013 the post-2015 development agenda mandated by the General Assembly September 2013 Sustainable Development Summit mandated by the General Assembly September 2013 the post-2015 development agenda the post-2015 development agenda mandated by the General Assembly September 2013 the post-2015 development agenda mandated by the General Assembly September 2013 mandated by the General Assembly September 2013 the post-2015 development agenda zasadania Organizácie spojených národov