Image:  Plant a tree: Milan's ambitious plans to be cleaner, greener
December 18, 2018
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Image: Trash pollutes Lebanon's Mediterranean coastline
December 04, 2018
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Image: Presidents from Lincoln to FDR kept the Thanksgiving tradition going
November 20, 2018
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Image: Melting glacier in China draws tourists, climate worries
November 06, 2018
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Image: These two small letters heralded the beginning of online communication
October 25, 2018
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Image: Students turn food into non-perishable powder
October 15, 2018
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Image: Yellowstone thermal spring erupts for 4th time in 60 years
October 01, 2018
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Image: Hurricane rating system fails to account for deadly rain
September 25, 2018
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Image: Giant boom hopes to corral Pacific Ocean's plastic trash
September 19, 2018
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Image: WTC subway station reopens for first time since 9/11 attacks
September 11, 2018
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