Unit 1 Organic Farming
　Part I The Principles of Organic Agriculture
　Part II Green Manuring
Unit 2 Soilless Cultivation
　Part I Soilless Agriculture Helps Save Planet
　Part II Hydroponically Grown Tomato
Unit 3 Gene Technology in Agriculture
　Part I The Application of Transgenic Technology in Agriculture
　Part II Genetic Engineering of Rice: Bt Rice
Unit 4 Ecological Footprint
　Part I Ecological Footprint
　Part II How Can We Reduce Our Ecological Footprint?
Unit 5 Food Safety
　Part I Food Safety--A Global Problem
　Part II Pesticides and Food: How We Test for Safety
Unit 6 Ecotourism
　Part I Ecotourism
　Part II Can China Embrace Ecotourism?
Unit 7 Vertical Farming
　Part I Vertical Farming
　Part II Top Issues of the Vertical Farm Tower
Unit 8 Bioenergy
　Part I An Overview of Biomass Energy
　Part II Biofuels
Unit 9 Remote Sensing
　Part I Remote Sensing in Agriculture
　Part II Applications of Remote Sensing to Conservation of Forest Ecosystems
Unit 10 Carbon Sequestration
　Part I Carbon Sequestration in Agriculture and Forestry
　Part II Farmers Cashing in on Carbon Credits Contracts with Firms Aiming to Reduce CO2 Emissions
Vocabulary