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Water: Hydrology Cycle and Human Use, The Production and Distribution of…
Water: Hydrology Cycle and Human Use
Hydrologic Cycle and Human Impacts
Water Stewardship, Economics, and Policy
Water: Getting Enough, Controlling Excess
Water, a Vital Resource
The Production and Distribution of Food
Crops and Animals
Food Distribution and Trade
From Green Revolution to Gene Revolution
Hunger, Malnutrition, and Famine
Feeding the World as We Approach 2030-2050
Energy from Fossil Fuels
Energy Sources and Uses
Exploiting Crude Oil
Drilling for Natural Gas
Energy Policy
Mining Coal
Soil: The Foundation for Land Ecosystems
Soil and Plants
Soil Degradation
Conserving and Restoring Soil