In 2015, the countries of the world came together at the United Nations and signed on to a historic agreement called “Transforming Our World: The 2030 Agenda for Sustainable Development”, which included a set of 17 Sustainable Development Goals (SDGs). The SDGs chart a way forward to a just, secure, and sustainable future for people and the planet. This guide introduces the SDGs and explores how philanthropic funders can align with them to increase their impact on the issues they care about.