Complex sentence: The Resolution is broader intergovernmental agreement that, while acting as the Post 2015 Development Agenda (successor to the Millennium Development Goals), builds on the Principles agreed upon under Resolution A/RES/66/288, popularly known as The Future We Want.
Split into simpler sentences: The Resolution is a broader intergovernmental agreement that acts as the Post 2015 Development Agenda (successor to the Millennium Development Goals). The SDGs build on the Principles agreed upon under Resolution A/RES/66/288, popularly known as The Future We Want.