A proposed outcome of Rio+20 is for policymakers to adopt a series of universal sustainable development goals (SDGs). The purpose of SDGs is to address the broad challenges of poverty eradication, environmental protection and sustainable consumption and production. The SDGs address the shortcomings and challenges of the UN's Millennium Development Goals (MDGs) and promise to provide the foundation for a global green economy. The exact content of the SDGs will be decided in the Rio+20 process and be integrated into the successive framework for MDGs.