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📁 科学环境气候变化

Topics include climate change (or global warming), atmospheric C02, stratospheric ozone, desertification, and change indicators.

子分类

📁 吉埃奥埃恩吉伊恩埃埃尔伊恩吉

📁 影响和指标

条目 (4+)

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National Library of Virtual Manipulatives

http://nlvm.usu.edu/

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National Association of Postal Supervisors

http://www.naps.org/

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National Postal Mail Handlers Union

http://www.npmhu.org/

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Navdanya: Research Foundation for Science,Technology and Ecology, India

https://www.navdanya.org/site/

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