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Depletion and Conservation of Natural Resources - The Economic Value Of The World's Ecosystems—how Much Is Nature Worth?, The Role Of Forests And Habitat

land

Human activity on Earth has always altered the land. When populations were small enough, and productive and accessible land was abundant, people could abandon land that had been damaged by overuse and move on. While some countries still have excess land available, if population growth continues at the expected rate, virtually all arable (fit for cultivation) land will be in use.

Drinking Water—Safety on Tap - Satisfying A Huge Demand, Drinking Water Sources, Public And Private Water Supplies, Contaminants In Drinking Water [next] [back] Commercial Trade of Wildlife - The Fur, Feathers, And Leather Trade, Collectors Of Rare And Exotic Species, Health Remedies And Fads

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