| sailing magazines | |||
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Cruising World | ||
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Sail Magazine | ||
| authors | |||
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Bill McKibben | ||
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Lester Brown | ||
| environmental information | |||
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World Watch Institute | ||
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Goddard Institute for Space Studies | ||
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NASA/Goddard Space Flight Center | ||
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NASA Earth Observing System - Aqua Project | ||
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Blue Ocean Institute | ||
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Earth Policy Institute | ||
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