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Introduction How Rivers Run Stories Value Of A River What We Can Do
A new stream of consciousness
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As a young man, Dan Janzen's appetite for exploring the natural world was nourished by the Mississippi River, but now this premier ecologist is feeding new ideas to us about nature's services. His abundant intellect and energy are sparked by his work in the tropical dry forests of the Guanacaste conservation area in Costa Rica, where Dr. Janzen and his wife, Dr. Winifred Hallwachs, have tirelessly worked to make wildland conservation an entry on the budget sheet.

Not only do these scientists live, study and teach tropical ecology in the Area de Conservacion Guanacaste, but they have created a model for conservation and restoration of rainforest that inspires others worldwide. Dr. Janzen and Dr. Hallwachs have been instrumental leaders in fundraising to expand conservation areas, recruiting local residents to participate in environmental programs, and experimenting with tropical "crops" such as new molecules, carbon sinks, and ecotourism.

For more information, go online to visit janzen.sas.upenn.edu and www.acguanacaste.ac.cr.

Dan Janzen
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Value of wild areas
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Dan Janzen
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"Crops" that come out of wild areas
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Dan Janzen
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New stream of thought about wild areas
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A New Stream
Common Wealth
Conclusions
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