GEF

Unit 1  |  Introduction to Sustainability 17 1.2  The Three Pillars of Sustainability The three pillars of sustainability are environment, social equity, and economics, also known as the three Es. Using the three pillars together provides the structure needed to make sustainable choices. The environment includes the Earth and all its biophysical components: oceans, atmosphere, soil, mountains, wetlands, grasslands, deserts, forests, lakes, rivers, and biogeochemical cycles , such as water, carbon, and nitrogen. To move toward a more sustainable future, people must understand and consider the complex and delicate relationships between these various cycles and earth systems. vibrant economy equitable society healthy environment The Three Pillars of Sustainability BIOGEOCHEMICAL CYCLES Cycles that describe the movement of molecules, such as carbon or water, through earth systems, such as the oceans, atmosphere, soils, and rocks.