GEF

3 Contents Introductio n 7 UNIT 1 Introduction to Sustainability 1 4 1.1 What is Sustainability? 16 1.2 The Three Pillars of Sustainability 17 1.3 Why is Sustainability Important? 21 1.4 Business and Sustainability 23 1.5 Sustainability as an Adaptive Process: Context and Scale 26 1.6 The Sustainability Movement 28 UNIT 2 Humanity’s Ecological Footprint 3 4 2.1 The Ecological Footprint 3 6 2.2 Emergence of Modern Humans and the Development of Agriculture 3 8 2.3 Population Growth and Carrying Capacity 3 9 2.4 The Industrial Revolution 4 2 2.5 Greenhouse Gases and Climate Change Measurement 4 4 2.6 Climate Change and Its Causes 4 5 2.7 Climate Change Effects 4 7 2.8 Carbon Footprints 5 1