Population Connection
Population Connection: 7 Billion
This fact sheet from the non-profit organization Population Connection addresses the problem of overpopulation as the Earth approaches 7 billion residents. Includes statistics and details the reasons why many experts are concerned about...
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Seafriends: Soil Dependence
This website looks at our dependence on soil and what it produces. It includes text, graphs, charts, illustrations and important statistics. Hosted by the Seafriends Marine Conservation and Education Center.