GEF

34 UNIT 2 Humanity’s Ecological Footprint Objectives In this unit, students will learn to: ■■ Define the ecological footprint concept. ■■ Explore the impact of the emergence of modern humans and the development of agriculture. ■■ Explain population growth and carrying capacity. ■■ Discuss the impact of the industrial revolution. ■■ Recognize variations in the ecological footprint. ■■ Explain climate change and its causes. ■■ Discuss climate change effects. ■■ Define carbon footprints.