This document discusses sustainable development and its goals. It defines sustainable development as meeting present needs without compromising future generations' ability to meet their own needs. It outlines some strategies for sustainable development like harnessing solar energy and crop rotation. It discusses international agreements and frameworks for sustainable development like the UN Conference in Rio de Janeiro in 1992, the Kyoto Protocol, and the UN's Sustainable Development Goals adopted in 2016 to end poverty, reduce inequality, and address climate change by 2030. It also outlines some challenges to achieving environmental and economic/social sustainability.