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¡¡ ¡¡ ¡¡ ¡¡ International Year of Planet Earth |
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UN declares 2008 ¡°International Year of Planet Earth¡± Recent advances towards an International Year of Planet Earth¡ª A letter to fellow geoscientist The International Year of Planet Earth (2007¨C2009): Earth Sciences for Society |
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Episodes Journal of International Geoscience published by the International Union of Geological Sciences 2006 |
